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

Pittsburgh Mayoral Candidate Corey O’Connor took to the streets to thank voters for his victory in the Democratic primary.

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.