Prince George’s County Police are investigating the death of a man found Saturday night in College Park, according to a release.

Police were responding to a domestic dispute on the 9700 block of 52nd Ave. at 9:20 p.m. Saturday when they found Mark Anthony Ziegler, 47, unresponsive inside.

Ziegler had no signs of injury and a cause of death was not apparent, according to police. He was taken to a local hospital where he was pronounced dead.

Detectives investigating the death are waiting for autopsy and toxicology reports from the medical examiner.