A man and a woman were found dead in an apparent murder-suicide Sunday in Prince George’s County, police said Monday.

At about 2:15 p.m. Sunday, officers responded to the 9600 block of Meadow Lark Avenue in Upper Marlboro for a reported domestic dispute, Prince George’s police said in a statement.

They found 55-year-old Dannette Lawrence of Upper Marlboro and her ex-boyfriend, 59-year-old Derrick Lark of Mitchellville, suffering from gunshot wounds. They were both pronounced dead at the scene, the statement said. A preliminary investigation determined that Lark fatally shot Lawrence before taking his own life, according to the statement.

Police ask anyone with information about the incident to contact them at 301-772-4925.