PECO says they received the call at 9:07 a.m. after a paving contractor struck a 2-inch plastic gas line along the 300 block of East Madison Avenue.
According to the police chief, contractors struck a gas line.
Local residents and a day care located on that block were evacuated.
PECO secured the area at 9:50 a.m.
Repair crews remained on site to make permanent repairs.
PECO said four customers would be without service until about 3 p.m., when the repair work was expected to be complete.