Watch live as Democrat Joe Biden gives his first speech as president-elect.

UPDATE: The speech is expected to begin about 7:30 p.m. CT.

Biden has passed the 270 electoral vote mark, defeating President Donald Trump to become the 46th president of the United States. Biden won Pennsylvania on Saturday and also carried Nevada, Arizona, Wisconsin and Michigan on his path to making Trump the first incumbent since George H.W. Bush to lose his bid for a second term.

Full coverage below, plus a live stream of social media reaction.