While all eyes are on who will win the White House, also on the ballot Tuesday is the battle for Congress. All 435 seats in the House of Representatives and 34 seats in the Senate are up for grabs. Republicans currently control the House while Democrats retain a narrow majority in the Senate.

Republican Senators John Thune of South Dakota, John Cornyn of Texas, and Rick Scott of Florida were all vying for the top leadership spot in the U.S. Senate. However, in a closed-door vote on Wednesday, Thune was selected as the winner.

The Republicans have won control of the U.S. House of Representatives after the party took 218 seats in national elections, NewsNation/Decision Desk HQ called. All 435 House seats were up for reelection leaving the chamber’s balance of power up for grabs.

Republicans have won enough seats to keep control of the House of Representatives, ABC News projects, clinching a unified GOP government in Washington.

CNBC's Emily Wilkins joins 'Power Lunch' with breaking details from Congress.

Republicans in the House and Senate are set to elect their leaders on Wednesday after securing a trifecta — winning the House, Senate and White House — in last week’s election. In the Senate, Sens. John Thune (R-S.

Senate Republicans are slated to elect a new leader after Sen. Mitch McConnell led the party in the Senate for almost two decades.