CHICAGO (WBBM NEWSRADIO) -- Several downtown streets will be closed Sunday as part of an active shooter response drill in the Loop.
Chicago police and other emergency response agencies will conduct the simulation and training exercise from 10 a.m. to 4 p.m. in the area around Chase Tower, 10 S. Dearborn St., according to police.
Emergency vehicles and street closures can be expected in the surrounding area on Madison, Clark and Dearborn streets, police said.