Two men were found dead on a Cape Cod beach early Sunday, according to police.

Yarmouth police were called to the Englewood Beach parking lot after receiving a call about two unresponsive men, the department wrote in a Facebook post. Officers administered first aid to the two men – believed to be in their 20s.

First responders took the men to Cape Cod Hospital in Hyannis, but they were soon pronounced dead, police said. Yarmouth and state police are still investigating how they died.