ROCKVILLE, Maryland — Several oil tanks caught on fire late Thursday morning at a quarry in the Maryland suburbs of Washington sending thick plumes of black smoke into the air that were visible for miles.
The fire was contained by early afternoon while three tanks continued to burn, Montgomery County Fire and Rescue spokesperson Pete Piringer said during a 2 p.m. news conference. Officials said no injuries were reported.
Piringer said two of the tanks contained liquid asphalt and the third contained used motor oil.
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He said the cause was not yet known.
