A pair of special elections for the U.S. House in Florida on Tuesday to fill the vacancies left by former Republican Reps. Mike Waltz and Matt Gaetz has heated up.

Florida state Sen. Randy Fine won Tuesday's special election for a vacant congressional seat that the president carried by 30 points less than five months ago. The Trump-backed Republican had faced mounting pressure from his party in the final days of the campaign after Democrat Josh Weil outraised Fine by a nearly 10-to-1

Republicans won special elections in two Florida Congressional districts. The margins of victory in the heavily-Republican districts were significantly narrower than in November.

Florida voters cast ballots Apr. 1 in the U.S. House District 6 special election to replace Mike Waltz. Follow along for the latest election results.

BREAKING: Randy Fine projected to win Florida's 6th Congressional DistrictThe Republican was endorsed by President Donald Trump.

(CN) — A Republican state senator endorsed by President Donald Trump won Florida's 6th Congressional District seat on Tuesday, despite a strong showing by a Democratic upstart in one of two special elections that may solidify national Republicans’ hold on the U.S. House.

Some Republicans are raising concerns ahead of a key special election in Florida next Tuesday in what appeared to be a safe U.S. House district for the GOP.

Tuesday’s elections were seen as an early measure of voter sentiment after Trump’s first few months back in power.