COLLINGDALE. Three civilians were treated for non-life-threatening injuries in yesterday’s blaze at a welding supply company in Collingdale, Delaware County, that burned for five hours. The fire was caused by multiple explosions when an employee at Scully Welding Supply dropped a propane tank, reports said.

 

Residents and employees in the area had to be evacuated as firefighters from several municipalities responded. One firefighter was treated for smoke inhalation.