"Multiple fire agencies agencies responded as a blaze broke out at an oil refinery in Delaware, releasing thick black smoke into the air Sunday afternoon.
The fire started at the Delaware City Refinery on the 4500 block of Wrangle Hill Road, the Delaware State Police said. The DSP helped to close nearby roads and advised people to avoid the area."
nbcphiladelphia.com/news/local/Delaware-Refinery-Fire-Black-Smoke-Hundreds-Feet-Air-505276642.html