PITTSBURGH (WPXI) — A house fire in Oakland may have been sparked by power lines that were knocked down by high winds. Fire crews rushed to put the flames out at the home on Robinson Street. 911 dispatchers said power lines fell on the roof of the home and may have caused the fire. The incident may have also caused a widespread power outage in Oakland. Duquesne Light crews were on scene working to get the power lines back up and in service. As of 7:15 a.m., there were 168 customers without power.