Maryland police have confirmed that three people are dead and one critically injured after a shooting at a factory in Smithsburg, Maryland on Thursday afternoon. The factory, Columbia Machine, manufactures concrete products equipment. Smithsburg is about 70 miles northwest of Washington, D.C.

The Washington County Sheriff’s Office said it responded to reports of an active shooter at Columbia Machine at @ 2:30 p.m., and found the victims. The sheriff’s office said that the alleged shooter fled the scene, but was apprehended by Maryland State Police in nearby Hagerstown based on a description of the suspect. The suspect and a state trooper exchanged gunfire, and both were injured and transported for medical treatment.

Washington County Sheriff spokesperson Sgt. Carly Hose said the alleged shooter is a man, though no additional information on the suspect or a possible motive was released.

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