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
by JOHN RAWLINS
ALLENTOWN, Pa. - January 5, 2012 --
Four people were injured in an explosion in Allentown, Pa.