Despite Trump's deeply polarizing effect on voters, the GOP harnessed his rock-solid popularity with hard-right voters in rural, deep-red states. It was more than likely for the GOP to remain in power; even if there was a 50-50 Senate split, Vice President Mike Pence would cast the tie-breaking vote.
The result was all but assured when Republican Kevin Cramer ousted North Dakota Democratic Sen. They are also a win for Kentucky Sen.
Texas: Canadian-born Republican senator Ted Cruz faces off against Democrat challenger Congressman Beto O'Rourke.
The election saw all 435 seats in the House of Representatives and 35 of 100 in the Senate up for grabs, as well as 36 governorships, many of those state races toss-ups according to the polls. A Democrat victory would also mean that the heads of the powerful house committees would change hands.
Chamberlain said she hears voters in key districts talking mostly about an affordable health-care system that serves everyone, even those with preexisting medical conditions. Marsha Blackburn triumphed in Tennessee. Bredesen had promised a bipartisan approach if elected and had won the endorsement of music star Taylor Swift. Other Democrats fighting for political survival included Missouri's Claire McCaskill and Bill Nelson of Florida. Heitkamp was hurt late in her campaign by an ad that mistakenly named some women as victims of sexual abuse.
But after almost two years of increasingly heated and polarised politics in the US, Democrats sought to turn anger into votes.
The 2018 U.S. midterm election has already set records for early voting, and turnout appears to be up across the board.
Democrats accused Trump of fear-mongering and former president Barack Obama decried his deployment of troops to the border with Mexico as a "political stunt".
In Virginia's 7th District, a Republican-leaning area near Richmond, Republican Rep. Dave Brat was in a tight race with Democrat Abigail Spanberger, a former Central Intelligence Agency officer. Trump prevailed in IN by 19 points.
"This is the single most important off-year election of my lifetime".
Democrats acknowledged their path to Senate control was always slim but took solace in limiting their losses. "The Leader and the President had a great conversation tonight and he thanked the President for all his help", said McConnell's spokeswoman, Antonia Ferrier.
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Lion Air is one of Indonesia's youngest airlines but has grown rapidly, flying to dozens of domestic and worldwide destinations. He and other top officials including the military chief plan to meet with families today to explain the search operation.
And if Democrat Kyrsten Sinema won in Arizona, she would become the country's first openly bisexual senator.
Democrats also had history on their side: 2002 was the only midterm election in the past three decades when the party holding the White House gained Senate seats.
And Mitt Romney, the 2012 Republican presidential nominee, won an open Senate seat in Utah.
Trump's racially tinged anti-immigrant rhetoric, while unpopular among college-educated urban and suburban voters, seemed helpful in deeply conservative areas.
In an interview with The Associated Press last month, Trump said he would not accept blame for a GOP defeat at the polls.
A US Department of Homeland Security official said the reports of voting technology failures appeared so far to have had no significant impact in preventing people from voting.
With so much at stake, Trump campaigned in over a dozen states with Senate elections since Labor Day, visiting some multiple times. The party has pledged to check the president's power and start a slew of investigations on matters including his tax returns, Russian involvement in the 2016 election and actions by his administration.
"They're generally lower income, younger or minority voters, and are often people with fewer resources who can't afford to go out on Tuesday to vote".
In other results, Vermont independent Sen.
There are three key committees: the Oversight panel headed by Cummings; the Intelligence Committee led by Schiff, a southern Californian, and the Judiciary Committee to be headed by Jerrold Nadler of NY. Democratic Senator Sherrod Brown was projected to hold his seat in Ohio. Harris was facing a stiff challenge from Marine veteran and small-businessman Dan McCready.
The case ended up with a hung jury and a mistrial and the charges were dropped. The president also said soldiers would use lethal force against migrants who throw rocks, before later reversing himself. Ten women already in the Senate are not up for re-election.