November 30, 2015 10:00 am University of Chicago Cancels Classes After Threat Classes at University of Chicago’s Hyde Park campus are canceled Monday after an unknown individual posted an online threat of gun violence, according to the University. Regina Waldroup reports. US & World Videos 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug 2:28 King Charles returns to public duties amid cancer diagnosis 3:10 Nicole Kidman gushes over family's support at AFI honor