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.

It's Election Day and four candidates are looking to be selected to represent their party with the goal of being elected mayor of Pittsburgh in November.

The polls closed at 8 p.m. for primary election day in Western Pennsylvania. The biggest race in the area was for Pittsburgh mayor with the Democrat and Republican primaries being competitive. The state Department of Elections has updated numbers: * Pittsburgh city races results are posted here.