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

Published: Mar 11 2013 04:04:27 PM EDT   Updated On: Mar 08 2013 07:37:12 AM EST

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.