Reports: 4 cars on fire, explosions heard near St. Luke's Allentown

Posted: 4:04 PM EDT Mar 11, 2013   Updated: 7:37 AM EST Mar 08, 2013

Allentown fire officials are investigating after several cars caught fire Thursday night, and witnesses said they heard explosions as crews responded.

It happened around 9:30 p.m. on Saint Cloud Street off Hamilton Boulevard, near St. Luke's Hospital.

There's no word on what sparked the fires or if anyone was injured.