Firefighters with the Pittsburgh Bureau of Fire responded to a 2-alarm residential structure fire on the 2500 block of Mahon Street at around 7:45 p.m.
The fire originated in one home, but an adjacent structure to the right of 2535 Mahon Street also received some exposure to the fire. Firefighters were able to extinguish any visible flames relatively quickly. Both homes are believed to be unoccupied or abandoned.
There were no injuries to any firefighters or other first responders on scene.
The Fire Investigation Unit is investigating the cause of the fire.