A man who is believed to be homeless is in critical condition after he was struck in the head with a large rock at B.J. Brown Park in Bridgeport Wednesday, police say.

Officers responded to the park around 9:30 a.m.

They found the victim, who was unresponsive, covered in blood and suffering from a severe head injury, under the bicycle rack overhang. Police say the rock was next to him and covered in blood.

The man was taken to St. Vincent's Medical Center.

Detectives believe the man is likely homeless and may have been sleeping when he was hit in the head with the rock. The man had not been identified as of Wednesday afternoon.

Police say the man is Hispanic and is his late 30's or early 40's.

Anyone with information is asked to call Detective Kevin Cronin at: 203-581-5292.