Foam fills Philadelphia streets after substation incident

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PHILADELPHIA (AP) — A possible explosion at a power substation in downtown Philadelphia sent waves of white foam billowing into the streets that spread across a two-block area. Deputy Fire Chief Gary Loesch (LOWSH) says the wind Saturday afternoon whipped the foam into 5-foot peaks in places. He says it's not yet clear if a transformer exploded or something else caused the situation at the Peco Energy Co. site. He says no one was injured, but the Philadelphia Fire Department rescued eight to 10 people stuck in elevators because of the resulting power outage in the neighborhood. Loesch says the fire-suppression foam is not toxic and is being washed into the sewer system. Peco spokesman Greg Smore says power has been restored to nearly all of the 2,700 customers affected.