by Anthony Pollreisz

UPDATE - 9/10 at 7:15 a.m.: No arrests have been made yet in the beating of a homeless man near the Kalamazoo College campus.

At last word, the victim, who suffered life-threatening head injuries, remains in critical condition at Bronson Methodist Hospital.

Det. Vic Ledbetter with Kalamazoo Public Safety said they know who the victim is and investigators currently suspect the victim's attacker was somebody he knew. They don't think it was random violence.

Police are trying to contact the man's family and are working the streets where he lived to find friends and acquaintances.

ORIGINAL STORY:

KALAMAZOO (WKZO-AM) -- Kalamazoo Public Safety says they're not expecting a 58-year-old to survive after he was found unresponsive on a West Michigan Avenue bench with suspicious head and face injuries.

A concerned citizen contacted emergency dispatchers after spotting the man in the 800 block at around 11 p.m. Wednesday.

He has since been taken to Bronson Methodist Hospital.

Officers say they're not sure how the victim sustained his injuries.

The incident remains under investigation. Those with additional information are being urged to contact Kalamazoo Public Safety at (269) 337-8994 or Silent Observer at (269) 343-2100.

- John McNeill contributed to this story.