Crews battled a fire at the Philadelphia Energy Solutions refinery.

Firefighters, hazmat teams and Philadelphia police all responded to the one-alarm blaze which started on the Point Breeze side of the refinery on 3144 W. Passyunk Avenue around 10:50 p.m. Saturday. Police also closed streets in the area.

Crews were eventually able to bring the flames under control at 11:49 p.m. No injuries were reported and all workers at the refinery have been accounted for. Officials have not yet revealed the exact cause of the fire.

“We had a small operations upset at the plant that was quickly taken care of," said Cherice Corley, a spokesperson for Philadelphia Energy Solutions. "There is no cause for concern for employees or members of the community. The incident lasted literally minutes and was placed under control by the plant personnel."

Philadelphia Energy Solutions processes approximately 335,000 barrels of crude oil per day, making it the largest oil refining complex on the eastern seaboard, according to the company website.