The death of an 80-year-old Alzheimer's patient at an Oak Park senior facility has been ruled a homicide.
Police said Anibal Calderon was found unconscious Sunday evening after an apparent altercation with another patient at Oak Park Healthcare Center, 625 N. Harlem Ave., according to the Chicago Tribune.
Calderon was rushed to the hospital and pronounced dead early Tuesday of head injuries from the assault, the Cook County Medical Examiner's Office told the Tribune.
Police said a 66-year-old resident at the senior center is a suspect in the death.
The death is currently under investigation.