Four injured in Allentown explosion

The blast happened at 1:30 p.m. Thursday in the 200 block of North Fulton Street. Officials say something caused a spark or rupture in an old pipeline while workers from UGI Utilities, Inc. were replacing a pipeline in the area.

January 5, 2012 3:51:35 PM PST
Four people were injured in an explosion in Allentown, Pa.