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.

Incumbent Ed Gainey and challenger Corey O'Connor were on the ballot in Pittsburgh's Democratic primary for mayor.

Challenger Corey O’Connor ousted Pittsburgh Mayor Ed Gainey in Tuesday’s Democratic primary election, beating an incumbent in a race that hinged on how Gainey was handling city finances, affordable housing and public safety.