(WFLA) — Three people were killed Thursday in Washington County, Maryland during a police-involved shooting approximately two hours north of Washington, D.C.

Authorities responded to Columbia Machine Inc., along Bikle Road, in Smithsburg, MD, after reports of an active shooter. When first responders arrived, they found four victims, three of which were dead at the scene and one who was critically injured, the Washington County Sheriff’s Office said in a Facebook post.

Authorities said the suspect fled the scene before officers arrived.

Shortly after the shooting, the suspect’s vehicle was spotted by Maryland State Police. Authorities said gunshots were exchanged between the suspect and the Trooper and both were injured and transported for medical treatment.

Deputies added the suspect is no longer a threat to the community.

The FBI and ATF have also responded to assist in an investigation.

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