For US birthday, life, liberty and the pursuit of hot dogs

NEW YORK, July 4 (Reuters) - Fireworks, music and the pursuit of hot dogs will mark the 242nd year of independence for the United States on what is expected to be a steamy Wednesday in much of the country.

The Independence Day holiday, which brings out crowds from small towns to big cities, is also a time when law enforcement agencies are on the alert for suspicious activity.

Officials said they are taking precautions, but have not detected any credible security threats following the arrest on Sunday of an American-born Ohio man on suspicion of planning to detonate a bomb at Cleveland's Fourth of July celebrations.

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July Fourth celebrations across the US in 2018
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July Fourth celebrations across the US in 2018
Children in costumes march down Main Street during the annual Fourth of July parade in Barnstable Village on Cape Cod, Massachusetts, U.S., July 4, 2018. REUTERS/Mike Segar
ROUND TOP, TX - JULY 04: Kaitlyn Tarnoswki, 14, carries an American flag while riding a horse during the 168th annual Round Top Fourth of July Parade on July 4, 2018 in Round Top, Texas. The Round Top community's Fourth of July celebration started in 1851 and is known as the longest running Fourth of July celebration west of the Mississippi. (Photo by Tamir Kalifa/Getty Images)
A boy rides a decorated bicycle down Main Street during the annual Fourth of July parade in Barnstable Village on Cape Cod, Massachusetts, U.S., July 4, 2018. REUTERS/Mike Segar
Two children ride on a mini all terrain vehicle down Main Street during the annual Fourth of July parade in Barnstable Village on Cape Cod, Massachusetts, U.S., July 4, 2018. REUTERS/Mike Segar
A man throws candies from a vintage car as he rides on Main Street in the annual Fourth of July parade in Barnstable Village on Cape Cod, Massachusetts, U.S., July 4, 2018. REUTERS/Mike Segar
Three-year-old Daisy, a Dachshund Terrier, is adorned with US flag colours awaiting a Fourth of July parade in San Gabriel, Califoria on July 4, 2018 as cities and towns across America celebrate Independence Day. (Photo by Frederic J. BROWN / AFP) (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)
NEWBERRY, SC - JULY 04: Residents watch the sixteenth annual Harper Street Parade on July 4, 2018 in Newberry, South Carolina. The event, beginning as a small bicycle gathering with less than thirty children, attracted 4,000 people last year. (Photo by Sean Rayford/Getty Images)
A man in Captain America costume rides down Main Street during the annual Fourth of July parade in Barnstable Village on Cape Cod, Massachusetts, U.S., July 4, 2018. REUTERS/Mike Segar
A woman throws candies from a vintage car as she rides on Main Street during the annual Fourth of July parade in Barnstable Village on Cape Cod, Massachusetts, U.S., July 4, 2018. REUTERS/Mike Segar
NEWBERRY, SC - JULY 04: Two young boys prepare for the start of the sixteenth annual Harper Street Parade on July 4, 2018 in Newberry, South Carolina. The event, beginning as a small bicycle gathering with less than thirty children, attracted 4,000 people last year. (Photo by Sean Rayford/Getty Images)
NEWBERRY, SC - JULY 04: Allie Graves drives a four wheeler with a friend before the start of the sixteenth annual Harper Street Parade on July 4, 2018 in Newberry, South Carolina. The event, beginning as a small bicycle gathering with less than thirty children, attracted 4,000 people last year. (Photo by Sean Rayford/Getty Images)
NEWBERRY, SC - JULY 04: A young boy rides a toy firetruck during the sixteenth annual Harper Street Parade on July 4, 2018 in Newberry, South Carolina. The event, beginning as a small bicycle gathering with less than thirty children, attracted 4,000 people last year. (Photo by Sean Rayford/Getty Images)
WASHINGTON, DC - JULY 03: Three-time Grammy Award-winning and multi-platinum selling artist Pentatonix perform at the 2018 A Capitol Fourth rehearsals at U.S. Capitol, West Lawn on July 3, 2018 in Washington, DC. (Photo by Paul Morigi/Getty Images for Capital Concerts Inc.)
WASHINGTON, DC - JULY 03: Three-time Grammy Award-winning and multi-platinum selling artist Pentatonix perform at the 2018 A Capitol Fourth rehearsals at U.S. Capitol, West Lawn on July 3, 2018 in Washington, DC. (Photo by Paul Morigi/Getty Images for Capital Concerts Inc.)
Young Kim, Republican U.S. Representative candidate from California, smiles before a Fourth of July parade in Hacienda Heights, California, U.S., on Wednesday, July 4, 2018. Kim is seeking to replace retiring Representative Ed Royce in the 39th District. Photographer: Patrick T. Fallon/Bloomberg via Getty Images
Young Kim, Republican U.S. Representative candidate from California, waves during a Fourth of July parade in Hacienda Heights, California, U.S., on Wednesday, July 4, 2018. Kim is seeking to replace retiring Representative Ed Royce in the 39th District. Photographer: Patrick T. Fallon/Bloomberg via Getty Images
Gil Cisneros, Democratic U.S. Representative candidate from California, left, waves while riding in a car with his wife and sons during a Fourth of July parade in Hacienda Heights, California, U.S., on Wednesday, July 4, 2018. Cisneros, a Navy veteran,�is backed by Democratic Congressional Campaign Committee (DCCC). Photographer: Patrick T. Fallon/Bloomberg via Getty Images
A man waves the US flag while driving his classic car during a Fourth of July parade in San Gabriel, California on July 4, 2018 as cities and towns across America celebrate Independence Day. (Photo by Frederic J. BROWN / AFP) (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)
NEWBERRY, SC - JULY 04: People cool off in the water at the end of the sixteenth annual Harper Street Parade on July 4, 2018 in Newberry, South Carolina. The event, beginning as a small bicycle gathering with less than thirty children, attracted 4,000 people last year. (Photo by Sean Rayford/Getty Images)
A Cub Scout join a Fourth of July parade in San Gabriel, California, on July 4, 2018 as cities and towns across America celebrate Independence Day. (Photo by Frederic J. BROWN / AFP) (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)
NEWBERRY, SC - JULY 04: People walk and ride down the road during the sixteenth annual Harper Street Parade on July 4, 2018 in Newberry, South Carolina. The event, beginning as a small bicycle gathering with less than thirty children, attracted 4,000 people last year. (Photo by Sean Rayford/Getty Images)
NEWBERRY, SC - JULY 04: Nine-year-old Wyatt Stuhr waits for the start of the sixteenth annual Harper Street Parade on July 4, 2018 in Newberry, South Carolina. The event, beginning as a small bicycle gathering with less than thirty children, attracted 4,000 people last year. (Photo by Sean Rayford/Getty Images)
A girl makes bubbles during a Fourth of July parade in San Gabriel, California on July 4, 2018 as cities and towns across America celebrate Independence Day. (Photo by Frederic J. BROWN / AFP) (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)
WASHINGTON, DC - JULY 03: THE VOICE Season 14 finalist Kyla Jade performs at the 2018 A Capitol Fourth rehearsals at U.S. Capitol, West Lawn on July 3, 2018 in Washington, DC. (Photo by Paul Morigi/Getty Images for Capital Concerts Inc.)
ROUND TOP, TX - JULY 04: Men on horseback ride through a field after taking part in the 168th annual Round Top Fourth of July Parade on July 4, 2018 in Round Top, Texas. The Round Top community's Fourth of July celebration started in 1851 and is known as the longest running Fourth of July celebration west of the Mississippi. (Photo by Tamir Kalifa/Getty Images)
ROUND TOP, TX - JULY 04: Horseback riders gather in a field after participating in the 168th annual Round Top Fourth of July Parade on July 4, 2018 in Round Top, Texas. The Round Top community's Fourth of July celebration started in 1851 and is known as the longest running Fourth of July celebration west of the Mississippi. (Photo by Tamir Kalifa/Getty Images)
ROUND TOP, TX - JULY 04: A man wearing a cowboy hat sits on a float decorated with American flag-themed streamers after the 168th annual Round Top Fourth of July Parade on July 4, 2018 in Round Top, Texas. The Round Top community's Fourth of July celebration started in 1851 and is known as the longest running Fourth of July celebration west of the Mississippi. (Photo by Tamir Kalifa/Getty Images)
ROUND TOP, TX - JULY 04: Clinton Baermann stands next to the float for his vintage store, Cowboy Corner, after the 168th annual Round Top Fourth of July Parade on July 4, 2018 in Round Top, Texas. The Round Top community's Fourth of July celebration started in 1851 and is known as the longest running Fourth of July celebration west of the Mississippi. (Photo by Tamir Kalifa/Getty Images)
ROUND TOP, TX - JULY 04: Patrice McKinney, dressed as Glinda the Good Witch from 'The Wizard of Oz,' tosses red, white, and blue bead necklaces to spectators during the 168th annual Round Top Fourth of July Parade on July 4, 2018 in Round Top, Texas. The Round Top community's Fourth of July celebration started in 1851 and is known as the longest running Fourth of July celebration west of the Mississippi. (Photo by Tamir Kalifa/Getty Images)
ROUND TOP, TX - JULY 04: A Republican Party of Texas float makes its way down Main Street during the 168th annual Round Top Fourth of July Parade on July 4, 2018 in Round Top, Texas. The Round Top community's Fourth of July celebration started in 1851 and is known as the longest running Fourth of July celebration west of the Mississippi. (Photo by Tamir Kalifa/Getty Images)
ROUND TOP, TX - JULY 04: Spectators wave as a pickup truck covered in American flags drives by during the 168th annual Round Top Fourth of July Parade on July 4, 2018 in Round Top, Texas. The Round Top community's Fourth of July celebration started in 1851 and is known as the longest running Fourth of July celebration west of the Mississippi. (Photo by Tamir Kalifa/Getty Images)
ROUND TOP, TX - JULY 04: The 168th annual Round Top Fourth of July Parade makes its way toward Main Street on July 4, 2018 in Round Top, Texas. The Round Top community's Fourth of July celebration started in 1851 and is known as the longest running Fourth of July celebration west of the Mississippi. (Photo by Tamir Kalifa/Getty Images)
ROUND TOP, TX - JULY 04: Spectators watch the 168th annual Round Top Fourth of July Parade on July 4, 2018 in Round Top, Texas. The Round Top community's Fourth of July celebration started in 1851 and is known as the longest running Fourth of July celebration west of the Mississippi. (Photo by Tamir Kalifa/Getty Images)
U.S. President Donald Trump and U.S. first lady Melania Trump arrive during a picnic for military families celebrating Independence Day at the White House in Washington, U.S., July 4, 2018. REUTERS/Joshua Roberts
U.S. President Donald Trump and U.S. first lady Melania Trump walk after greeting people during a picnic for military families celebrating Independence Day at the White House in Washington, U.S., July 4, 2018. REUTERS/Joshua Roberts
People stand during the National Anthem at a picnic for military families celebrating Independence Day at the White House in Washington, U.S., July 4, 2018. REUTERS/Joshua Roberts
A woman uses a fan with the U.S. flag on it before the arrival of U.S. President Donald Trump and U.S. first lady Melania Trump at a picnic for military families celebrating Independence Day at the White House in Washington, U.S., July 4, 2018. REUTERS/Joshua Roberts
U.S. President Donald Trump and U.S. first lady Melania Trump arrive during a picnic for military families celebrating Independence Day at the White House in Washington, U.S., July 4, 2018. REUTERS/Joshua Roberts
A man kisses a child before the arrival of U.S. President Donald Trump and U.S. first lady Melania Trump during a picnic for military families celebrating Independence Day at the White House in Washington, U.S., July 4, 2018. REUTERS/Joshua Roberts
People attend a picnic for military families on the South Lawn of the White House July 4, 2018 in Washington, DC. (Photo by Brendan Smialowski / AFP) (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)
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"As always, the Department of Homeland Security encourages vigilance by the public to report any suspicious activity to law enforcement,” said Lesley Fulop, a spokeswoman for the agency.

The holiday marks the adoption of the Declaration of Independence by congressional delegates in Philadelphia on July 4, 1776. The actual signing of the document, however, did not occur until Aug. 2, according to the U.S. National Archives.

While the document declared the young nation's independence from Great Britain, it also advanced the cutting-edge notion that "all men are created equal" and that they have rights to "life, liberty and the pursuit of happiness."

More than two centuries later, however, it is the pursuit of hot dogs that will mark the holiday at New York City's Coney Island, where contestants will consume as many wieners as possible in what has become a televised event now in its 46th year.

Ten-time winner Joey Chestnut will defend his title in the Nathan's Famous hot dog-eating contest after downing a record 72 last year.

It will be hotter than normal in much of the country. The National Weather Service issued heat advisories for the central plain states eastward to the Mid-Altantic region, with temperatures expected in the 90s and the humidity making it feel like 105 to 110 degrees Fahrenheit (40 to 43 degrees Celsius).

New York will put on what is billed as the country's biggest fireworks display by its sponsor, retailer Macy's. More than 3 million spectators and 12 million television viewers are expected to watch the display over the East River as 75,000 shells illuminate the night sky to the music of singer Kelly Clarkson.

In Washington, singer Jimmy Buffett is set to join the National Symphony Orchestra, along with the Temptations, the Beach Boys and Luke Combs, before fireworks light up the National Mall. Bostonians will celebrate with the Boston Pops along the Charles River, joined by singer Rachel Platten.

In Los Angeles, fireworks will highlight Fourth of July celebrations at the Hollywood Bowl, accompanied by an orchestra. In San Francisco, residents can watch fireworks on the bay near the Golden Gate Bridge, if fog does not obscure the show.

The Fourth of July also marks the approximate halfway point in the Major League Baseball season, with a not-so-reliable popular tradition holding that the teams in first place will finish that way. (Reporting by Peter Szekely in New York; additional reporting by Dan Whitcomb in Los Angeles Editing by Leslie Adler)

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