A special election in Florida's 1st Congressional District between Republican Jimmy Patronis and Democrat Gay Valimont was held to determine the successor to Matt Gaetz's House seat.

Republican Jimmy Patronis beat Democrat Gay Valimont. The party also held another Florida seat in Tuesday's special election.

NBC News projects victory for the GOP in the seats formerly held by Michael Waltz, who resigned to join the Trump administration, and Matt Gaetz.

Republican candidates are projected to win two special elections in Florida on Tuesday, according to U.S. media organizations, boosting Republicans' slim majority in the U.S. House of Representatives by filling vacancies created by President Donald Trump's picks for cabinet posts.

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

Republicans have held onto two seats in their narrow House majority as former Florida state Sen. Randy Fine won the special election for an open US House seat in Florida’s 6th Congressional District and Republican Jimmy Patronis won Florida’s 1st Congressional District.

Democrat Josh Weil (L) will take on Republican Randy Fine (R) in a special election Republicans have won a closely watched special Florida congressional election but with a much reduced majority that will make them uneasy about next year's midterms.

Republicans held on to a pair of deep-red House seats in Florida special elections Tuesday, helping to shore up their slim majority.

A trio of elections on Tuesday provided early warning signs to Republicans and President Donald Trump at the beginning of an ambitious term, as Democrats rallied against his efforts to slash the federal government and the outsize role being played by billionaire Elon Musk.