Louisiana Senate race headed to runoff election in December

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Election Day 2014 generic -- KEEP MCCONNELL IN FRONT PLEASE
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Louisiana Senate race headed to runoff election in December
LOUISVILLE, KY - NOVEMBER 4: A voter gestures as Senate Minority Leader U.S. Sen. Mitch McConnell (R-KY) votes in the midterm elections at Bellarmine University November 4, 2014 in Louisville, Kentucky. McConnell is running in a tight race against opponent Kentucky Secretary of State Alison Lundergan Grimes. (Photo by Aaron P. Bernstein/Getty Images)
New Hampshire Republican Senate candidate Scott Brown gives a thumbs up as he calls voters on election day from the Republican field office, Tuesday, Nov. 4, 2014, in Dover, N.H. Brown is trying to unseat incumbent U.S. Sen. Jeanne Shaheen. (AP Photo/Jim Cole)
Zoe Buck, 14 mos., looks up at her mother, Julie Buck, as she votes in a booth Tuesday Nov. 4, 2014, at the Alaska Zoo polling place in Anchorage, Alaska. (AP Photo/Ted S. Warren)
Zoe Buck, 14 mos., holds on to the leg of her mother, Julie Buck, as Buck votes in a booth Tuesday Nov. 4, 2014, at the Alaska Zoo polling place in Anchorage, Alaska. (AP Photo/Ted S. Warren)
Gunnar Nelson, 3, helps his dad cast his ballot for midterm elections Tuesday, Nov. 4, 2014, in Bradfordton, Ill. (AP Photo/Seth Perlman)
Benjamin, 5, helps his dad Ben Hiltabrand cast his ballot for midterm elections Tuesday, Nov. 4, 2014, in Bradfordton, Ill. (AP Photo/Seth Perlman)
Gunnar Nelson, 3, accompanies his dad while casting their ballot for midterm elections Tuesday, Nov. 4, 2014, in Bradfordton, Ill. (AP Photo/Seth Perlman)
A woman marks her ballot at a polling site inside P.S. 33 Chelsea Prep school, Tuesday, Nov. 4, 2014, in New York. (AP Photo/Julie Jacobson)
New York Gov. Andrew Cuomo speaks to members of the media as his partner, Sandra Lee looks on after casting his ballot Tuesday, Nov. 4, 2014, in Mount Kisco, N.Y. A victory by Cuomo over Republican challenger Rob Astorino on Tuesday would make him the first Democratic governor since his father, Mario Cuomo, to win re-election in the nation's third-largest state. (AP Photo/Julie Jacobson)
Sen. Mark Warner, D-Va., celebrates after registering his vote at Lyles-Crouch Traditional Academy on Tuesday, Nov. 4, 2014 in Alexandria, Va. Incumbent Democrat Sen. Mark Warner looks to retain his seat in the U.S. Senate for a second term. He faces Republican Ed Gillespie. (AP Photo/Kevin Wolf)
FORT MYERS, FL - NOVEMEBER 4: Texas Gov. Rick Perry stops by a Republican call center to rally campaign workers November 4, 2014 in Fort Myers, Florida. Florida Gov. Rick Scott is running in a tight race against opponent and former Florida Gov. Charlie Crist the Democratic challenger. (Photo by Erik Kellar/Getty Images)
In this frame grab provided by Mary Burke's campaign Republican Wisconsin Gov. Scott Walker and Democratic challenger Mary Burke pose for a photo tweeted Tuesday, Nov. 3, 2014 by Burke's campaign after the two ran into each other at the airport in Green Bay, Wis. The two are locked in a close race for governor and have been rushing around the state in last-minute, get-out-the vote efforts. (AP Photo/Mary Burke campaign)
Firefighter Cheyne Hansen takes a sign out of storage at a municipal garage while helping election officials scramble to set up a last-minute polling place, Tuesday, Nov. 4, 2014, in Camden, Maine. Sunday's snow storm knocked out power to much of the town, including the usual voting location at the public safety building, so officials decided to set up a polling place at a nearby church hall. (AP Photo/Robert F. Bukaty)
Poll worker Maria Soroka finishes setting up a polling station in a garage shortly before polls open for elections Tuesday, Nov. 4, 2014, in San Diego. Those turning out to vote on Tuesday aren't the only ones having their say this election. More than 18.6 million Americans in 32 states voted early, either by mail or at early polling places. And millions more had their say in another way, by sitting this election out. (AP Photo/Gregory Bull)
Guadalupe Portillo, a 102-year-old Lincoln Heights resident who became a U.S. citizen last year, poses for a photo with a band of mariachis before casting her vote for the the midterm elections at Montecito Community Center in Los Angeles, Tuesday, Nov. 4, 2014. (AP Photo/Nick Ut)
A handmade sign stuck in a snowbank on a rural road urges citizens to vote, Tuesday, Nov. 4, 2014, in Searsmont, Maine. (AP Photo/Robert F. Bukaty)
Twilla Eisele leaves the old Brown School after voting in the midterm elections Tuesday, Nov. 4, 2014, in rural Wellsville, Kan. (AP Photo/Charlie Riedel)
A volunteer tries to grab the attention of passing motorists as he holds campaign signs in front of a polling site, on Election Day, Tuesday, Nov. 4, 2014, in Donna, Texas. (AP Photo/Eric Gay)
I voted . LLAP http://t.co/DZBvf2wLrk
...And this is the last time we're expecting to see Wendy Davis until the polls close. http://t.co/nhkIJBFUp3
New Jersey Gov. Chris Christie steps from the voting booth after voting Tuesday, Nov. 4, 2014, in Mendham Township, N.J. The popular Republican, who has been campaigning across the country for others, is not up for re-election this cycle. (AP Photo/Mel Evans)
MILWAUKEE, WI - NOVEMBER 4: Wisconsin Gov. Scott Walker talks to the media after he casts his ballot on election day at Jefferson Elementary School, November 4, 2014 in Milwaukee, Wisconsin. Walker is running in a tight race against opponent Democratic candidate for Governor Mary Burke. (Photo by Darren Hauck/Getty Images)
Florida Democratic gubernatorial candidate Charlie Crist , second from right, meets supporters at a phone bank during a campaign stop Tuesday, Nov. 4, 2014 in Tampa, Fla. (AP Photo/Chris O'Meara)
Florida Gov. Rick Scott leaves a phone bank after meeting with volunteers on election day, Tuesday, Nov. 4, 2014, in Miami. Scott is running against Democratic gubernatorial candidate Charlie Crist, a former Republican Florida governor. (AP Photo/Lynne Sladky)
Former President Bill Clinton, left, and Florida Democratic gubernatorial candidate Charlie Crist wave to supporters at a campaign event, Monday, Nov. 3, 2014, in Orlando, Fla. Crist, a former Florida Republican governor, is running against Republican Florida Gov. Rick Scott. (AP Photo/John Raoux)
Former Florida Governor and now Democratic gubernatorial candidate Charlie Crist walks out of th Total Image Hair Salon after making an election day phone bank visit to thank volunteers on November 4, 2014 in Tampa, Florida. Crist is facing off against incumbent Republican Governor Rick Scott in today's election. (Photo by Joe Raedle/Getty Images)
Florida Gov. Rick Scott hugs a supporter before meeting with volunteers at a phone bank on election day, Tuesday, Nov. 4, 2014, in Miami. Scott is running against Democratic gubernatorial candidate Charlie Crist ,a former Republican Florida governor. (AP Photo/Lynne Sladky)
Republican Senate candidate State Sen. Joni Ernst waves to supporters after casting her ballot in the general election, Tuesday, Nov. 4, 2014, in Red Oak, Iowa. Ernst is running against Democrat U.S. Rep. Bruce Braley for the U.S. Senate seat of Tom Harkin, who is not seeking reelection. (AP Photo/Charlie Neibergall)
Republican Senate candidate State Sen. Joni Ernst casts her ballot in the general election, Tuesday, Nov. 4, 2014, in Red Oak, Iowa. Ernst is running against Rep. Bruce Braley, D-Iowa, for the U.S. Senate seat of Tom Harkin, who is not seeking reelection. (AP Photo/Charlie Neibergall)
Republican Senate candidate State Sen. Joni Ernst casts her ballot in the general election, Tuesday, Nov. 4, 2014, in Red Oak, Iowa. Ernst is running against Democrat U.S. Rep. Bruce Braley for the U.S. Senate seat of Tom Harkin, who is not seeking reelection. (AP Photo/Charlie Neibergall)
Sen. Mary Landrieu, D-La., hugs former communications director Rich Masters as she arrives to eat breakfast with staff and to greet diners at Betsy's Pancake House on election day in New Orleans, Tuesday, Nov. 4, 2014. (AP Photo/Gerald Herbert)
Florida Gov. Rick Scott , right, talks with volunteers at a phone bank on election day,Tuesday, Nov. 4, 2014, in Miami. Scott is running against Democratic gubernatorial candidate Charlie Crist ,a former Republican Florida governor. (AP Photo/Lynne Sladky)
U.S. Sen. Al Franken, D-Minn., accompanied by his wife Franni, votes at Westminster Presbyterian Church, Tuesday, Nov. 4, 2014, in Minneapolis. Franken faces Republican businessman Mike McFadden in the election. (AP Photo/Jim Mone)
Sen. Jeanne Shaheen, D-N.H., right, votes with her grandson, AJ Bellabona, by her side at the Town Hall in Madbury, NH, Tuesday, Nov. 4, 2014. Shaheen, a Democrat seeking a second term, faces Republican Scott Brown, who is seeking to represent a second state. Brown moved to New Hampshire last year after losing his U.S. Senate seat in Massachusetts. (AP Photo/Cheryl Senter)
U.S. Senator Jeanne Shaheen (D-NH) takes a family photo with husband Bill, and extended family outside Madbury Town Hall after casting her vote November 4, 2014 in Madbury, New Hampshire. Incumbent Shaheen is in a tight race with former Massachusetts U.S. Senator Scott Brown. (Photo by Darren McCollester/Getty Images)
US Senator Mark Warner(R),D-VA, running for re-election to the Senate, speaks to reporters after casting his vote November 4, 2014 the Lyles-Crouch Traditional Academy in Alexandria, Virginia, shortly after the polls opened for the midterm US elections. Warner is running against Republican challenger Ed Gillespie. AFP Photo/Paul J. Richards (Photo credit should read PAUL J. RICHARDS/AFP/Getty Images)
Alaska Republican U.S. Senate candidate Dan Sullivan exits a voting booth after marking his ballot, Tuesday Nov. 4, 2014, in Anchorage, Alaska. Sullivan is challenging U.S. Sen. Mark Begich, D-Alaska. (AP Photo/Ted S. Warren)
Illinois Gov. Pat Quinn visits with 86 year-old Julia Olsen before casting his ballot on Election Day Tuesday, Nov. 4, 2014, in Chicago. Quinn is in a tight race with his Republican opponent Bruce Rauner. (AP Photo/M. Spencer Green)
JUST GOT DONE VOTING #ROCKTHEVOTE #TURNOUTFORWHAT
Are you voting today? I was the youngest person at my polling place by at least 30 years. If I'm reporting... http://t.co/fg2ZVLQgDy
Senate Minority Leader Mitch McConnell of Ky., and his wife, former Labor Secretary Elaine Chao, smile after marking their ballots in the midterm election at the voting precinct at Bellarmine University in Louisville, Ky., Tuesday, Nov. 4, 2014. The Kentucky Senate race, with McConnell, a 30-year incumbent, facing a spirited challenge from Democrat Alison Lundergan Grimes, has been among the most combative and closely watched contests that could shift the balance of power in Congress. (AP Photo/J. Scott Applewhite)
Senate Minority Leader Mitch McConnell of Ky. waits to turn in his ballot in the midterm election at the voting precinct at Bellarmine University in Louisville, Ky., Tuesday, Nov. 4, 2014. The Kentucky Senate race, with McConnell, a 30-year incumbent, facing a spirited challenge from Democrat Alison Lundergan Grimes, has been among the most combative and closely watched contests that could shift the balance of power in Congress. (AP Photo/J. Scott Applewhite)
People vote at the polling place in Krishna Temple during election day Tuesday, Nov. 4, 2014, in Salt Lake City. Utah's most watched race this year is the contest to replace longtime Democratic Rep. Jim Matheson in Utah's 4th Congressional District. (AP Photo/Rick Bowmer)
Sen. Cory Booker, D-N.J., applauds while exiting a voting booth after casting his vote in the 2014 general election, Tuesday, Nov. 4, 2014, in Newark, N.J. Booker is going up against Republican challenger Jeff Bell. (AP Photo/Julio Cortez)
Democratic Senate candidate U.S. Rep. Bruce Braley holds a copy of the Dewey Defeats Truman photo as he speaks to supporters during a campaign stop, Monday, Nov. 3, 2014, in Ottumwa, Iowa. Braley is running against Republican State Sen. Joni Ernst for the U.S. Senate seat of Tom Harkin, who is not seeking reelection. (AP Photo/Charlie Neibergall)
Ballots envelopes sit in a bin prepared to give voters inside a polling center at the Boulder County Clerk and Recorder's office, in Boulder, Colo., on Election Day, Tuesday, Nov. 4, 2014. (AP Photo/Brennan Linsley)
Voter Adam Hensley casts his ballot at a polling station at Fugate's Bowling Alley in Hazard, Kentucky, U.S. on Tuesday, on Nov. 4, 2014. Democrat Alison Lundergan Grimes is trailing her opponent Republican Mitch McConnell, 41 percent to 50 percent in the Kentucky Senate race, according to an NBC/Marist poll. Photographer: Luke Sharrett/Bloomberg via Getty Images
CHARLOTTE, NC - NOVEMBER 4: Gordon Reed casts his ballot to vote in precinct 28 on November 4, 2014, in Charlotte, North Carolina. Americans head to the polls to cast their vote in the mid-term elections which will ultimately decide what party controls the U.S. Senate. (Photo by Davis Turner/Getty Images)
Stickers await voters after they cast their votes on Election Day at Glenwood Center in Greensboro, N.C., Tuesday, Nov. 4, 2014. (AP Photo/Gerry Broome)
Sen. Mary Landrieu, D-La., hugs former communications director Rich Masters as she arrives to eat breakfast with staff and to greet diners at Betsy's Pancake House on election day in New Orleans, Tuesday, Nov. 4, 2014. (AP Photo/Gerald Herbert)
Sen. Mary Landrieu, D-La., smiles as she exits the polling booth after voting on election day in New Orleans, Tuesday, Nov. 4, 2014. (AP Photo/Gerald Herbert)
Alaska Republican U.S. Senate candidate Dan Sullivan talks to reporters after he voted, Tuesday Nov. 4, 2014, in Anchorage, Alaska. Sullivan is challenging U.S. Sen. Mark Begich, D-Alaska. (AP Photo/Ted S. Warren)
A voter steps out of a booth after fulfilling his civic duty at a polling place inside the Delaware Art Museum, Tuesday, Nov. 4, 2014, in Wilmington, Del. U.S. Sen. Chris Coons' bid for re-election to a full six-year term heads the list of races to be decided by Delaware voters on Tuesday. (AP Photo/Patrick Semansky)
MT KISCO, NY - NOVEMBER 04: New York State Governor, Andrew Cuomo (L), and his girlfriend, television personality Sandra Lee, arrive to vote during the 2014 general election at the Presbyterian Church of Mount Kisco on November 4, 2014 in Mt Kisco, New York. (Photo by Kenneth Gabrielsen/Getty Images)
KENNEBUNK, ME - NOVEMBER 4: Vicki Patterson of Kennebunk leaves a voting booth at Kennebunk Town Hall on Tuesday morning, November 4, 2014. It is the first year that Kennebunk opened its polls at 6 a.m. and Town Clerk Merton Brown said that 402 voters came through the polls in the first two hours. (Photo by Gregory Rec/Portland Press Herald via Getty Images)
SOUTH PORTLAND, ME - November 4: Scarborough voter Larry Gray proudly displays his button. (Photo by John Patriquin/Portland Press Herald via Getty Images)
New Jersey Gov. Chris Christie waits in line to vote Tuesday, Nov. 4, 2014, in Mendham Township, N.J. The popular Republican, who has been campaigning across the country for others, is not up for re-election this cycle. (AP Photo/Mel Evans)
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WASHINGTON (AP) -- Republicans have picked up four of the six seats they need for a Senate majority, while Louisiana's hard-fought Senate race is headed to a runoff.

Republican Steve Daines won a Democratic Senate seat in Montana. Daines is moving to the Senate after just one term in the House. He won election over state lawmaker Amanda Curtis, who became the Democratic nominee after Sen. John Walsh dropped out of the race amid a plagiarism scandal.

Daines' win follows Republican pickups in Arkansas, South Dakota and West Virginia.

In Louisiana, neither Democratic Sen. Mary Landrieu nor Republican challenger Bill Cassidy received more than 50 percent of the vote, necessitating a runoff under Louisiana law.

Republican Mike Enzi of Wyoming and Democrat Al Franken of Minnesota also won re-election.

Mary Landrieu's Biggest Campaign Problems In Louisiana

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