GOP Sen. Thom Tillis was back on Capitol Hill on Monday as Senate Republicans struggled to pass their "One Big Beautiful Bill Act" he opposes -- before President Donald Trump 's July Fourth deadline.

Tillis, who is up for re-election next year in battleground North Carolina, voted against advancing a bill for Trump's domestic policy agenda Saturday evening.

Republican Sen. Thom Tillis of North Carolina announced Sunday he is not seeking reelection next year, a day after he was one of only two Republicans who voted against advancing President Donald Trump’s sweeping agenda bill.