Oil tank fire involving three tanks holding liquid asphalt and used motor oil at a quarry in Maryland's suburbs of Washington, D.C.

An oil tank fire broke out at a quarry in Maryland's suburbs of Washington, D.C. The fire, which involved three oil tanks holding liquid asphalt and used motor oil, sent thick plumes of black smoke into the air visible for miles. The fire was contained by early afternoon, but three tanks continued to burn. Environmental officials are monitoring air quality in nearby communities, with no significant health risks reported.