CHICAGO (CBS)– Emergency crews responded to a Level 2 Hazmat situation in the South Loop.
Level 2 Hazmat at 1529 S State St- this is an occupied building. High CO levels . CO levels are dropping 4-8-1
— Chicago Fire Media (@CFDMedia) April 7, 2020
The building, located at State and 15th streets, has been cleared according to the Chicago Fire Department.
Officials said there was a gas leak in a heating unit. All floors have been cleared.