Police in southern Maryland are investigating a shootout that left one man dead.

The St. Mary's County Sheriff's Office said in a news release Tuesday that the shooting occurred Sunday in a home in Coltons Point.

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Deputies say a 66-year-old man was visiting relatives when an argument broke out. Authorities say the 66-year-old man fired shots at the 45-year-old homeowner, who returned fire.

Police say the 66-year-old was struck and was pronounced dead at the scene.

The body was taken to the medical examiner's office in Baltimore.