CHICAGO (WLS) -- An investigation is underway following the death of a woman inside a downtown office building Monday night, Chicago police said.
A 40-year-old woman was found unresponsive by a cleaning crew at about 10:48 p.m. on the sixth floor of Pricewaterhouse Coopers in the first block of North Wacker Drive.
The woman was pronounced dead at the scene. It is unclear if the woman was a PwC employee.
Area Three detectives are investigating.