Gallego not only benefited from rival Kari Lake's weaker pull with Republicans, but also outpaced third-party headwinds.

U.S. Congressman Ruben Gallego’s lead over his opponent Kari Lake in the contest for one of Arizona’s U.S. Senate seats shrunk Thursday, as more results slowly trickled in. After Maricopa County, where 60% of the state’s voters live,

The Senate race in Arizona remains undecided three days after Election Day, and it could be weeks before the race is called. The candidates have remained within a few percentage points of each other.

Lake fared well in another batch from Maricopa County but faces an uphill climb in areas with the most outstanding votes.