A 70-year-old woman was found beaten to death Tuesday morning after a police SWAT standoff in Edison Park on the Northwest Side.
One person was arrested when the standoff ended around 10:40 a.m. in the 6600 block of North Northwest Highway, Chicago police said.
The woman was found dead with blunt trauma to her head and face, police said.
Officers were notified by a 911 caller who said a man in his 40s dressed in pajamas had approached her and said he had killed someone in an apartment, according to police radio traffic.
Detectives were conducting a homicide investigation.
Charges have not been announced.