Updated 11:46 p.m. | Three days after Election Day, two Senate and 11 House races remain uncalled, and if the 2000 presidential race is an indication, we could be waiting weeks for the outcome of one of those Senate races.

A third race in the Senate will be decided later this month when Mississippi votes in a runoff between Tuesday’s top-two finishers.

House Democrats have already passed the thresholds for a majority that they haven’t held since 2010. In a best-case scenario, they could obtain as many as 237 seats — good for a 40-seat majority.

In the Senate, the GOP flipped seats in Indiana, North Dakota and Missouri — states that President Donald Trump won by double digits in 2016.

Here are the races yet to be called as of noon, Eastern time, Friday that will determine the size of the Republicans’ majority in the Senate and the Democrats’ in the House:

Senate

Florida

The race for the Senate seat in Florida has turned into a nasty battle of accusations as it likely heads for a recount.

Republican Gov. Rick Scott declared victory over three-term Democratic Sen. Bill Nelson late Tuesday, but the race remains uncalled by The Associated Press. Scott’s margin has narrowed since election night and is now small enough to trigger a manual recount. 

Scott and the National Republican Senatorial Committee sued Broward County Supervisor of Elections Brenda Snipes on Thursday for failing to turn over information about ballots that have been counted. Scott also called for a Florida Department of Law Enforcement Investigation into Broward’s handling of ballots.

President Donald Trump accused Broward County officials with “finding votes out of nowhere” as he left the White House on Friday morning for a trip to Paris for an Armistice Day celebration.

Arizona

Democratic Rep. Kyrsten Sinema holds a lead of less than a point over GOP Rep. Martha McSally with almost all precincts reporting. Absentee and provisional ballots will also add to the vote totals over the next few days. More than 460,000 ballots remain to be counted statewide, The Arizona Republic estimated. 

Mississippi

The Mississippi special election for the final two years of former GOP Sen. Thad Cochran’s term is heading to a Nov. 27 runoff after no candidate cleared 50 percent Tuesday night.

Just 1 point separated appointed GOP Sen. Cindy Hyde-Smith and former Democratic Agriculture Secretary Mike Espy, with Hyde-Smith ahead 41 percent to 40 percent. Republican state Sen. Chris McDaniel took 16 percent of the vote.

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House

Races called Friday

The AP called two races Friday night. Democrat Katie Hill was declared the winner in California’s 25th District, unseating GOP Rep. Steve Knight. And Mark Harris kept North Carolina’s 9th District seat in the Republican column, defeating Democrat Dan McCready.

Republican incumbents

Three incumbent California Republicans are locked in close battles that the AP has not called.

Rep. Dana Rohrabacher in the 48th District trails Democratic challenger Harley Rouda, who has expanded his margin since election night. 

Reps. Jeff Denham in the 10th and Mimi Walters in the 45th hold on to slim leads with thousands of ballots still to be counted. Walters’ margin over Democrat Katie Porter has shrunk since election night. 

In Georgia, GOP Rep. Rob Woodall still leads Democrat Carolyn Bourdeaux by less than a point in the race for suburban Atlanta’s 7th District.

Utah Rep. Mia Love, who spoke at the 2016 Republican National Convention and is the only African-American Republican woman in the House, trailed by under 3 percentage points to Salt Lake County Mayor Ben McAdams with 76 percent of precincts reporting in the 4th District.

With just absentee and provisional ballots left to count, Democratic challenger Anthony Brindisi leads Rep. Claudia Tenney by about half a percentage point in New York’s 22nd District. Tenney ran one of the most pro-Trump campaigns of any vulnerable Republican this cycle.

Democratic challenger and former Obama administration official Andy Kim holds a lead of a little more than a percentage point over Rep. Tom MacArthur with all paper ballots still being counted in New Jersey’s 3rd District.

Republican incumbents in Maine’s 2nd District (Bruce Poliquin), New York’s 27th (Chris Collins) and Texas’ 23rd (Will Hurd) hold narrow edges in their respective races, but those contests remained uncalled at noon Friday. With none of the candidates taking more than 50 percent in Maine, the race will be decided by the state’s new ranked-choice voting system for the first time. 

Open seats

One open seat held by the GOP remains uncalled. Republican Young Kim holds a narrow lead for the seat vacated by retiring Rep. Ed Royce in California’s 39th District.

Correction 1:45 p.m. | An earlier version of this story incorrectly stated that Florida Sen. Bill Nelson had previously conceded his Senate race.