Republican Tim Sheehy bolstered the GOP's newly acquired Senate majority with a victory over three-term Democratic U.S. Sen. Jon Tester in a contest of national importance that featured a record-setting torrent of spending by the two sides.

Republican Tim Sheehy will defeat three-term Montana Sen. Jon Tester, CNN projects, adding to Republicans’ newly won Senate majority. Montana has long been a deep-red state in presidential elections — and every other statewide office is currently held by a Republican.

Sheehy, whose story about obtaining a bullet wound in Afghanistan has been subject to questions, won Montana’s Senate seat