Man arrested in UK after climbing Buckingham Palace gates

LONDON (AP) — London police have arrested a man who climbed the front gates of Buckingham Palace while Queen Elizabeth II was in residence.

The Metropolitan Police Service said the 22-year-old man was arrested on suspicion of trespassing early Wednesday by members of its royalty protection unit.

The police department said he was released from custody Thursday while the investigation continues.

Palace officials declined to say whether the queen was told about the incident.

Police say the intruder wasn't carrying a weapon and his alleged actions weren't seen as related to any extremist threat.

The suspect hasn't been charged or identified.

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Rare photos of Queen Elizabeth with her children
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Rare photos of Queen Elizabeth with her children
Queen Elizabeth II and her husband Prince Philip, Duke of Edinburgh, with their children Princess Anne, Prince Charles (right) and Prince Andrew on his first holiday to Balmoral. 8th September 1960. (Photo by NCJ Archive/Mirrorpix/Mirrorpix via Getty Images)
1st April 1969: The Royal Family relaxing in a drawing room at Sandringham House, Norfolk (clockwise) Prince Edward, Prince Philip, Duke of Edinburgh, Queen Elizabeth II, Princess Anne, Charles, Prince of Wales and Prince Andrew. (Photo by Hulton Archive/Central Press/Getty Images)
Prince Charles with Queen Elizabeth and Prince Philip, Duke of Edinburgh (right) during the ceremony of Charles' Investment as Prince of Wales at Caernarfon Castle, Gwynedd, Wales, 1st July 1969. They are in the Lower Ward of the castle, for the the third presentation, in which the Queen presents the Prince to the Welsh people. (Photo by Dennis Oulds/Central Press/Hulton Archive/Getty Images)
Picture taken on December 15, 1948 at Buckingham Palace showing Princess Elizabeth, the futur Queen Elizabeth II, with her son, Prince Charles of Edinburgh after his christening. (Photo by - / CENTRAL PRESS PHOTO LTD / AFP) (Photo credit should read -/AFP/Getty Images)
Princess Elizabeth holds her son, Prince Charles after his christening in Buckingham Palace. With her seated to the left is Dowager Marchioness of Milford Haven, and right is the Prince's Great Grandmother Queen Mary. Godparents standing from left to right; Lady Brabourne, The Duke of Edinburgh (standing proxy for Prince George of Greece), King George VI, David Bowes-Lyon, the Earl of Athlone (who stood proxy for the King of Norway) and Princess Margaret. (Photo by PA Images via Getty Images)
20th November 1972: Queen Elizabeth II and the Duke of Edinburgh with their children (left to right); Charles, Prince of Wales, Prince Edward, Prince Andrew, Princess Anne celebrating their silver wedding anniversary at Buckingham Palace. (Photo by Central Press/Getty Images)
Queen Elizabeth II pictured with her sons Prince Andrew (behind) and Prince Edward as Prince Edward starts his first day at Heatherdown Preparatory School near Ascot, England on 16th September 1972. The royal party is greeted by headmaster James Edwards and his wife. (Photo by William Lovelace/Daily Express/Hulton Archive/Getty Images)
Queen Elizabeth II and Charles, Prince of Wales travel in an open top car in Avignon during a state visit to France, May 1972. (Photo by Reg Lancaster/Express/Hulton Archive/Getty Images)
Prince Charles takes part in a polo match in Windsor Great Park, accompanied by the Queen and Prince Edward, UK, 1st May 1971. (Photo by Reg Burkett/Daily Express/Getty Images)
8th November 1969: Prince Edward, youngest son of Queen Elizabeth II and Prince Philip at a children's book fair in Westminster, London. (Photo by Terry Disney/Express/Getty Images)
April 1969: Charles, Prince of Wales riding a go-kart with his younger brother, Prince Edward whilst Queen Elizabeth II looks on. (Photo by Hulton Archive/Keystone/Getty Images)
April 1969: Charles, Prince of Wales with Queen Elizabeth II and his five year old brother, Prince Edward. (Photo by Hulton Archive/Keystone/Getty Images)
April 1969: Charles, Prince of Wales riding a go-kart with his younger brother, Prince Edward whilst Queen Elizabeth II looks on. (Photo by Hulton Archive/Keystone/Getty Images)
Anne, the Princess Royal, with her mother Queen Elizabeth II during the Eridge Horse Trials, East Sussex, 3rd August 1968. (Photo by Central Press/Hulton Archive/Getty Images)
La reine Elizabeth avec le prince Philip et leurs enfants le prince Charles, la princesse Anne, le prince Andrew et le prince Edward photographiés dans les jardins du château de Windsor, Royaume-Uni, le 18 avril 1968. (Photo by KEYSTONE-FRANCE/Gamma-Rapho via Getty Images)
La reine Elizabeth avec le prince Philip et leurs enfants le prince Charles, la princesse Anne, le prince Andrew et le prince Edward photographiés dans les jardins du château de Windsor, Royaume-Uni, le 18 avril 1968. (Photo by KEYSTONE-FRANCE/Gamma-Rapho via Getty Images)
La reine Elizabeth avec le prince Philip et leurs enfants le prince Charles, la princesse Anne, le prince Andrew et le prince Edward photographiés dans les jardins du château de Windsor, Royaume-Uni, le 18 avril 1968. (Photo by KEYSTONE-FRANCE/Gamma-Rapho via Getty Images)
Queen Elizabeth II with Charles, Prince of Wales, Prince Philip, Duke of Edinburgh, and Anne, Princess Royal during a visit to the Isles of Scilly, 1967. (Photo by Terry Fincher/Express/Hulton Archive/Getty Images)
June 1965: Queen Elizabeth II plays with Princes Edward and Andrew at Windsor Castle. (Photo by Lisa Sheridan/Studio Lisa/Getty Images)
Photo taken on April 21, 1965 at Frogmore House in Windsor, Berkshire shows The British Royal Family: (from L to R) Princess Anne, Britain's Queen Elizabeth II, Prince Charles, Prince of Wales, Prince Philip, Duke of Edinburgh, Prince Andrew, Duke of York smiling at Prince Edward, Earl of Wessex, in his cradle. (Photo by STRINGER / CENTRAL PRESS / AFP) (Photo credit should read STRINGER/AFP/Getty Images)
Photo taken on April 21, 1965 at Frogmore House in Windsor, Berkshire shows The British Royal Family: (from L to R) Charles, Prince of Wales, Princess Anne, Prince Philip, Duke of Edinburgh, Prince Andrew , Duke of York and Britain's Queen Elizabeth II holding Prince Edward, Earl of Wessex, in her arms. AFP PHOTO (Photo by STRINGER / CENTRAL PRESS / AFP) (Photo credit should read STRINGER/AFP/Getty Images)
Queen Elizabeth II and her daughter Princess Anne at Frogmore, Windsor Castle. (Photo by PA Images via Getty Images)
Queen Elizabeth II and her daughter Princess Anne at Windsor Castle. (Photo by PA Images via Getty Images)
The Queen prepares to go for an afternoon drive with her daughter, Princess Anne, from Windsor Castle. (Photo by PA Images via Getty Images)
UNITED KINGDOM - NOVEMBER 01: In November 1959, Queen ELIZABETH II and her daughter Princess ANNE embark for a boat trip on Frogmore lake at Windsor. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
(Eingeschränkte Rechte für bestimmte redaktionelle Kunden in Deutschland. Limited rights for specific editorial clients in Germany.) Elisabeth II. *21.04.1926-Koenigin von GB seit 1953- mit Ehemann Prinz Philip und den Kindern Charles und Anne in Balmoral (Photo by ullstein bild/ullstein bild via Getty Images)
Queen Elizabeth II, followed by her children, the Prince of Wales and Princess Anne, and the Royal family's pet corgis, at Euston Station when they left for their summer holidays in Balmoral. (Photo by PA Images via Getty Images)
BALMORAL, ROYAUME-UNI - 29 AOUT: Le Président américain Dwight Eisenhower (gauche) et son fils le Major John Eisenhower sur la pelouse du chateau de Balmoral avec la Reine Elizabeth et ses enfants le Prince Charles et la Princesse Anne le 29 aout 1959 à Balmoral, Royaume-Uni. (Photo by Keystone-France\Gamma-Rapho via Getty Images)
Pres. Dwight D. Eisenhower and his son John visiting at Blamoral Castle with Queen Elizabeth II and Prince Philip. (Photo by Brian Seed/The LIFE Images Collection via Getty Images/Getty Images)
Pres. Dwight D. Eisenhower (C,L) and his son John visiting at Blamoral Castle with Queen Elizabeth II (C,R) and Prince Philip. (Photo by Brian Seed/The LIFE Images Collection via Getty Images/Getty Images)
(Eingeschränkte Rechte für bestimmte redaktionelle Kunden in Deutschland. Limited rights for specific editorial clients in Germany.) Elisabeth II. *21.04.1926-Koenigin von GB seit 1953- mit Ehemann Prinz Philip und den Kindern Charles und Anne in Windsor Castle- Juni 1959 (Photo by ullstein bild/ullstein bild via Getty Images)
Queen Elizabeth II and Duke of Edinburgh with their children, Prince Charles, Prince of Wales and Princess Anne, the Princess Royal,at the top of the East Terrace Garden Steps at Windsor Castle, Berkshire. (Photo by PA Images via Getty Images)
(Eingeschränkte Rechte für bestimmte redaktionelle Kunden in Deutschland. Limited rights for specific editorial clients in Germany.) Elisabeth II. *21.04.1926-Koenigin von GB seit 1953- mit Prinz Philip und den Kindern Charles und Anne in Windsor Castle- Juni 1959 (Photo by ullstein bild/ullstein bild via Getty Images)
Queen Elizabeth II and her daughter Princess Anne with two royal corgi dogs at Smith's Lawn, Windsor Great Park. They were there to see the Duke of Edinburgh play polo. (Photo by PA Images via Getty Images)
400806 25: (FILE PHOTO) Princess Elizabeth makes her first broadcast, accompanied by her younger sister Princess Margaret Rose October 12, 1940 in London. Buckingham Palace announced that Princess Margaret died peacefully in her sleep at 1:30AM EST at the King Edward VII Hospital February 9, 2002 in London. (Photo by Getty Images)
Smiling proudly, Queen Elizabeth II holds the newest member of the Royal family as she leaves Buckingham Palace by car. This is the first photograph made of the young prince (still unnamed) who was born to the Queen on March 10th. Almost entirely obscured, but seated next to his mother, is four-year-old Prince Andrew. (Photo by Bettmann Archive/Getty Images)
The Royal Family visit Britannia Royal Naval College, Dartmouth. Parachuting was one of the college activities included in the static displays seen by the Royal party during the Queen's visit as Lord High Admiral. Behind her majesty and Prince Andrew Admiral of the Fleet Lord Mountbatten has words in the war of the Captain of the College, Rear Admiral Gordon Tait, 31st July 1972. (Photo by Torquay Herald Express/Mirrorpix/Getty Images)
Queen Elizabeth II presents the Raleigh trophy to her daughter Princess Anne, winner of the individual European three-day event at Burghley, Lincolnshire, 6th September 1971. (Photo by Central Press/Hulton Archive/Getty Images)
The Royal Family at Christmas and New Year. Picture shows Queen Elizabeth II, Prince Philip and at the back Prince Charles, arriving at Sandringham Train Station, having taken The Royal Train from Liverpool Street Station. The Royal Family who will be spending their New Year in Sandringham, Norfolk. Picture taken 30th December 1970. (Photo by Hobson/Mirrorpix/Getty Images)
Prince Charles takes part in a polo match in Windsor Great Park, accompanied by the Queen and Prince Edward, UK, 1st May 1971. (Photo by Reg Burkett/Daily Express/Getty Images)
Queen Elizabeth II awarding Prince Philip, Duke of Edinburgh and Charles, Prince of Wales with trophies after a polo match, 30th April 1967. (Photo by Michael Stroud/Express/Hulton Archive/Getty Images)
June 1965: Queen Elizabeth II plays with Princes Edward and Andrew at Windsor Castle. (Photo by Lisa Sheridan/Studio Lisa/Getty Images)
11th June 1964: Queen Elizabeth II holding Prince Edward on their way to Balmoral Castle in Scotland. (Photo by Roger Jackson/Central Press/Getty Images)
Prince Charles arrives at Cheam School in Berkshire to start his first term, and is introduced to the headmaster, Peter Beck, 23rd September 1957. The Queen and Duke of Edinburgh accompany him. (Photo by Reg Birkett/Keystone/Getty Images)
September 1957: Queen Elizabeth II and Prince Philip with Prince Charles and Princess Anne during a visit to a sawmill on their estate at Balmoral Castle, Scotland. (Photo by Central Press/Getty Images)
A.C. Farquharson of Invercauld whilst the Marquess of Aberdeen speaks to the Duke of Edinburgh. The Marquess is Lord Lieutenant of Aberdeenshire and Chief of the Braemar Games. Left to right : The Marquis of Aberdeen, the Duke of Edinburgh, the Duchess of Cloucester, H.L. The Queen, H.R.H. Princess Margaret, the Royal children and Capt. A.C. Farquharson of Invercauld. September 1956 P009403 (Photo by WATFORD/Mirrorpix/Mirrorpix via Getty Images)
22nd August 1955: Queen Elizabeth II with Princess Anne, Prince Charles and their nurse, Helen Lightbody, at a stall during a Sale of Work event in Abergeldie Castle, near Balmoral Castle in Aberdeenshire. They are raising funds for the building of a new vestry at Craithie Church. (Photo by Fox Photos/Getty Images)
Queen Elizabeth II, with her children Prince Charles and Princess Anne, with Prime Minister Sir Winston Churchill at Waterloo Station as they await the return of the Queen Mother from her tour of the United States and Canada, 24th November 1954. (Photo by George Greenwell/Mirrorpix/Getty Images)
The royal family leave Euston Station in London for the palace, after their summer holiday in Balmoral, 10th October 1954. Pictured are Queen Elizabeth II, Princess Margaret, Prince Charles and Princess Anne. (Photo by Monte Fresco Jnr./Topical Press Agency/Hulton Archive/Getty Images)
Royal Family on Balcony at Buckingham Palace, London, pictured after Coronation, 2nd June 1953. (Photo by Daily Mirror/Mirrorpix/Mirrorpix via Getty Images)
14th October 1952: Queen Elizabeth II with her children, Prince Charles and Princess Anne and her sister, Princess Margaret Rose (1930 - 2002) in a car leaving Euston station after a visit to Balmoral Castle, Scotland. (Photo by Keystone/Getty Images)
28th September 1952: Queen Elizabeth and her son Charles playing with a camera in the grounds of Balmoral Castle, Scotland. (Photo by Lisa Sheridan/Studio Lisa/Getty Images)
28th September 1952: Queen Elizabeth II and Charles, Prince of Wales helping Princess Anne through an open window at Balmoral Castle, Scotland. (Photo by Lisa Sheridan/Studio Lisa/Getty Images)
28th September 1952: Queen Elizabeth II leaning out of a window with Princess Anne Elizabeth Alice Louise (left) and Prince Charles Philip Arthur George. (Photo by Lisa Sheridan/Studio Lisa/Getty Images)
The royal family in the grounds of Balmoral Castle in Scotland, 26th September 1952. From left to right, Princess Anne, the Duke of Edinburgh, Prince Charles and Queen Elizabeth II. (Photo by Topical Press Agency/Hulton Archive/Getty Images)
19th September 1952: Queen Elizabeth II and The Prince Philip, Duke of Edinburgh with their two young children, Princess Anne and Prince Charles outside Balmoral Castle. The Queen succeeded her father, George VI, in February 1952 and later added Princes Andrew and Edward to the royal family. Queen Victoria's husband, Prince Albert, purchased Balmoral Castle in 1846, and the small castle which stood in the 7,000 hectare wooded estate was redeveloped in the 1850s.The granite building was designed by Aberdeen architect William Smith with suggestions from Albert himself, who decided the interior decoration should represent a Highland shooting box with tartan or thistle chintzes, and walls decorated with trophies and weapons. Queen Victoria often visited the Highlands with her family, especially after Albertfs death in 1861, and Balmoral is still a popular retreat for the present royal family. (Photo by Lisa Sheridan/Studio Lisa/Getty Images)
Queen Elizabeth II helps her son Prince Charles to take a picture of his sister, Princess Anne, Balmoral, Scotland, 1952. (Photo by Lisa Sheridan/Studio Lisa/Hulton Archive/Getty Images)
Prince Charles aged two, in the arms of his father, the Duke of Edinburgh. His mother, the then Princess Elizabeth, holds Princess Anne, as they walk in the grounds of Clarence House, London, 9th August 1951. (Photo by Keystone/Hulton Archive/Getty Images)
9th August 1951: Princess Elizabeth and Prince Philip, Duke of Edinburgh with their two children, Prince Charles and Princess Anne in the grounds of Clarence House, London. (Photo by Fox Photos/Getty Images)
Princess Elizabeth (later Queen Elizabeth II) and Prince Charles watching a procession, during the visit of Queen Juliana of the Netherlands, from the wall of Clarence House, London, 22nd November 1950. (Photo by Fox Photos/Hulton Archive/Getty Images)
21st November 1950: Four generations of the British Monarchy in Buckingham Palace after Princess Anne's christening ceremony (left to right ) (back row); King George VI and Prince Philip, Duke Of Edinburgh; (front row) Queen Mary, Princess Elizabeth holding Princess Anne, Prince Charles and Queen Elizabeth (1900 - 2002). (Photo by Topical Press Agency/Getty Images)
21st October 1950: Princess Elizabeth with her baby daughter Princess Anne who is wearing the Royal christening robe made of Honiton lace. (Photo by Central Press/Getty Images)
2nd October 1950: Queen Elizabeth II holding Princess Anne with Queen Elizabeth The Queen Mother (1900 - 2002), Queen Mary (1867 - 1953) (centre) and Philip, Duke of Edinburgh watching Prince Charles, after Princess Anne's christening. (Photo by Keystone/Getty Images)
Princess Elizabeth (later Queen Elizabeth II of Great Britain) with her husband Prince Philip, Duke of Edinburgh and their baby son Prince Charles, July 1949. (Photo by Fox Photos/Hulton Archive/Getty Images)
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