A 46-year-old Lawrence man who was found behind Home Depot Sunday afternoon had suffered serious facial injuries in a fight with another man, police said Monday.

Sgt. Trent McKinley, a police spokesman, said the injured man remained in critical condition Monday. He was found about 3:15 p.m. behind the store, 1901 W. 31st St., and was flown to a Kansas City area hospital by a helicopter ambulance, McKinley said. He suffered head and facial injuries.

McKinley said a police investigation concluded that the victim suffered his injuries in a fight with a 24-year-old Lawrence resident. No arrests have been made, and the incident remains under investigation.

McKinley said the man was found on concrete behind the store.

Police ask anyone with information to call detectives at 785-830-7430 or the Douglas County Crime Stoppers hotline at 785-843-TIPS (8477).