Philadelphia Alleged Transformer Explosion Fills Street With Foam – 12-3-2016

Firefighters responded to a hazmat situation in Center City Philadelphia, where a massive amount of foam covered an entire city block after it leaked from a PECO substation.

Several calls were made to police after 1 p.m. Saturday, reporting explosions inside a building around the 400 block of South Juniper Street.

Crews arrived to the find the fire suppression system had released a large amount of foam.