May 18, 2014 5:00 pm Massive Fire Drill Held at Willis Tower Hundreds of firefighters battled a huge blaze and rescued people at Willis Tower today, but it was just a drill. The exercise was meant to simulate a fire on the 51st floor. Local 2:08 Monday evening forecast: Severe weather threat looms 3:25 Dolton mayor's former assistant addresses alleged Vegas sexual assault 0:45 Lockdown at Archer Heights charter school lifted after teen shot at nearby restaurant 2:10 Millions of birds cross through Illinois during peak migration season 2:14 Phone call reignited investigation into 1968 Calumet City cold cause