South Philadelphia (WTXF) - Police are investigating a refinery fire that happened Saturday overnight.
The incident was on the 3100 block of Passyunk Ave. Smoke rose from the "Philadelphia Energy Solutions" building.
Firefighters spent about an hour battling the blaze before placing it under control around midnight.
Authorities say no one was injured.
DEVELOPING NEWS: Stay with FOX 29 News and Fox29.com for updates as we get more information.