Pittsburgh Mayor Ed Gainey, who had allied himself with progressives, has lost a Democratic primary challenge, The Associated Press reported. The AP called the race for Alleghany County Controller Corey O'Connor at 10:05 p.

Allegheny County Controller Corey O’Connor defeated Pittsburgh Mayor Ed Gainey in the city’s hotly contested Democratic mayoral primary, The Associated Press projected Tuesday.

The primary pitted Pittsburgh’s first Black mayor against a popular elected official whose father led the city nearly two decades ago.