A Tuesday-night fire on Middle Street in Mount Oliver spread from a vacant building into a neighboring structure, prompting a two-alarm response that lasted more than an hour.
The fire occurred in Allegheny County, WTAE reported. Mount Oliver's fire chief told the station that the blaze began in a vacant building before reaching a nearby structure.
Fire Escalates to Two Alarms
The Mount Oliver Fire Department reported that the incident escalated to two alarms. Firefighters worked for more than an hour to bring the fire under control.
One person sustained minor injuries, WTAE reported. Further details about the person's condition were not immediately available.
Cause Still Under Investigation
The cause remains under investigation. Officials had not released further details about how the fire began or the buildings involved.
Context from other fire reports
A separate Mount Oliver house fire was reported on April 2, 2016, at the 400 block of Hays Street. The Pittsburgh Post-Gazette reported that no one was home and firefighters controlled that fire within half an hour; it does not establish a similar vacant-building spread. As general safety guidance, the U.S. Fire Administration says unsecured vacant or abandoned buildings are intrinsically more dangerous than occupied structures, but its guidance does not establish whether either Middle Street building was unsecured.
