Rep. Michelle Steel, a two-term incumbent in California’s 45th congressional district, conceded to Derek Tran Wednesday afternoon after a long slog of a race that is one of the nation’s closest remaining contests yet to be called.

Rep. Michelle Steel (R-Calif.) has conceded defeat in her reelection bid against Democrat Derek Tran to represent California’s 45th Congressional District. Steel’s race is one of two that Decision Desk HQ,

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.