A pair of special elections in Florida for the U.S. House of Representatives on Tuesday to fill vacancies left by former Republican Reps. Mike Waltz and Matt Gaetz has heated up in recent weeks -- especially in the 6th District where Waltz served where polls closed at 7 p.

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.

Republican Randy Fine won the House seat formerly held by Mike Waltz, while Republican Jimmy Patronis won the house seat vacated by Matt Gaetz.

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.

While GOP wins were widely expected in the heavily red districts, Democrats narrowed the margins considerably from November, which may signal a shift in public sentiment.

Republican Jimmy Patronis won a special election Tuesday in Florida’s 1st Congressional District, bolstered by President Donald Trump’s endorsement to fill a vacant seat in reliably Republican northern Florida and despite national Democrats pouring millions into the race.

Former Florida state Sen. Randy Fine will win the special election for an open House seat in Florida’s 6th Congressional District, according to a projection from the CNN Decision Desk. The result means a sigh of relief for Republicans after late concerns emerged over their candidate’s efforts in the overwhelmingly conservative district.

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

Republicans picked up wins in special elections for two Florida congressional districts Tuesday, while a judge toting support from Democrats won a closely-watched Wisconsin Supreme Court race. Jessi Mitchell anchored CBS News' special report on the races.