(AP) — Lincoln police are trying to determine how a 47-year-old homeless man was fatally injured: a beating? A traffic accident?

Police spokeswoman Katie Flood says George Ike died about 8:30 p.m. Saturday. A passer-by had noticed Ike behind a building around 2:30 p.m., either passed out or injured.

Ike said at a hospital that a car had driven over him. But he later said he’d been beaten.

Flood says Ike’s injuries suggested to doctors that he’d been struck by a vehicle, but investigators are still checking.