Derek Tran defeated Rep. Michelle Steel in California’s 45th congressional district, The Associated Press called Wednesday afternoon. Steel, a two-term incumbent, conceded to Derek Tran Wednesday, Nov. 27, after a long slog of a race, shortly before the race was called around 1 p.m.

The most recent vote counts show the GOP incumbent trailing Democratic challenger Derek Tran by just 613 votes three weeks after Election Day.

Democrats have taken control of California's 45th Congressional District from the GOP, with Republican Rep. Michelle Steel losing her Orange County House seat to Democrat Derek Tran, CBS News projects.

Democrat Derek Tran has defeated two-term Republican U.S. Rep. Michelle Steel in a Southern California House district that was specifically drawn to give Asian Americans a stronger voice on Capitol Hill.

Democrat Derek Tran won election to a U.S. House seat representing California on Wednesday, defeating Republican Rep. Michelle Steel

Democrat Derek Tran has defeated Republican incumbent Michelle Steel for a House seat representing California’s Orange County and Los Angeles, NBC News projects, after a contentious race that centered on the candidates’ Asian American identities and use of aggressive anti-China messaging.