As of early Friday, Biden was clinching 49.4% of the vote in Pennsylvania compared to Mr. Trump’s 49.3%, with 95% of votes counted.
Overnight, Biden also edged ahead in Georgia. According to elections data from Clayton County, which was part of the congressional district of the late civil rights icon John Lewis, Biden added 1,602 votes and Mr. Trump 223, leaving Biden with a remarkably thin statewide lead of 917 votes.
The race for the presidency, however, remains too close to call.
Mr. Trump spoke on Thursday evening and falsely claimed victory. He also baselessly accused his political enemies of stealing the election from him.
“If you count the legal votes, I easily win,” the president falsely claimed. “If you count the illegal votes, they can try to steal the election from us. If you count the votes that came in late, we’re looking at them very strongly.”
Mr. Trump has been looking beyond the ballot box to the nation’s courts in his efforts to hold onto the presidency, with his campaign filing a barrage of lawsuits in several battleground states
Find results for all races in the CBS News Election Center, and updates from key states here: