Republicans won control of the Senate in Tuesday’s elections, gaining seats in West Virginia and Ohio. Other tight races remained too close to call in both the House and the Senate, as Democrats were hoping to win a House majority as voters across the nation cast ballots.

The balance of power in the U.S. Senate is taking form as election results were released Tuesday night, with one Senate seat flipped so far in a win for Republicans. Republican Gov. Jim Justice of West Virginia won the U.