Police are investigating the death of a homeless man after his body was discovered inside Central Park Tuesday night.

Around 11 p.m., police responded to a 911 call of an unconscious, unresponsive man inside the park near the corner of Central Park South and Seventh Avenue, authorities said. They found the man, who appeared to be in his 30s, with no obvious signs of trauma.

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He was pronounced dead at the scene.

Police said that the man appeared to be homeless, the New York Daily News reported. His name has not been released.

The medical examiner is determining the cause of death, and the investigation remained ongoing, according to authorities.