Coleman A. Young Municipal Center
Officers were alerted to a sword-length knife, when the suspect slid his cane through an x-ray medal detector.
Workers standing outside said they saw firefighters with hoses going into the building.
Police say Elmira Sutton, of Pittsburg, California attempted to go through security inside the Coleman A. Young Municipal Center with a weapon.
Two people were apprehended as they allegedly tried to bring a gun to the Detroit City Council chambers.
A suspicious package left near the Chase Bank building caused a commotion in Downtown Detroit Thursday morning.
City officials have returned power to parts of the city, with full power to be restored within the next 24 hours.
Coleman A Young Municipal Center and Wayne State University will be closed Friday. City workers who work in the downtown office building are not required to report to work, according to mayor’s spokeswoman.