Witnesses: Cars explode in Phila. garage fire

July 2, 2011 7:24:28 PM PDT
A stubborn two alarm garage fire kept firefighters busy in Southwest Philadelphia on Saturday night.

The fire broke out just before 5:00 p.m. in the 6700 block of Greenway Avenue.

Witnesses reported hearing several cars explode inside the garage, prompting several evacuations.

Firefighters put out the blaze in 30 minutes but remained on the scene for a few hours to put out hotspots.

It is not yet known what sparked the fire.