Derek Tran added a little to his lead in the race for California’s 45th congressional district over Rep. Michelle Steel on Saturday in one of the closest House of Representatives contests in the nation.

Democrat Derek Tran's lead over Republican Rep. Michelle Steel in the race for the 45th Congressional District inched up to 545 votes Saturday night as ballot tallies neared the finish line. A little over 1% of the estimated vote total remains to be counted in one of three remaining House races that have yet to be called.

Democratic challenger Derek Tran is 519 votes ahead of Republican Rep. Michelle Steel Saturday after adding 39 to his lead in the latest count of previously unprocessed ballots in the 45th Congressional District race.

Democratic challenger Derek Tran has expanded his lead over Republican Rep. Michelle Steel by 480 votes in California's closely contested 45th Congressional District, which spans parts of Orange and Los Angeles counties.

Thursday resultsshowed Democrat Derek Tran 480 votes ahead of Republican incumbent Michelle Steel in the 45th congressional district race.

Here are updated vote counts for some of these congressional, state legislative and city races. They’re based on the latest tallies from the L.A. County registrar or California Secretary of State offices and reflect results through shortly after 5 p.m. Thursday, Nov. 21.

At one point after the election, Steel was ahead by roughly 11,000 votes. But Tran gradually chipped away at Steel’s lead as more ballots were counted over the past two weeks.

More than two weeks after Election Day, the race between Rep. Michelle Steel (R-CA) and Democratic challenger Derek Tran remains too close to call as California continues to count its ballots. The race for California’s 45th District,