United States May 23, 2017 7:52 am Ariana Grande Concert-Goers Describe Blast Ariana Grande concert-goers express their shock after an explosion at Manchester Arena killed 22 people. They describe the panic after the blast. US & World Videos 1:45 NYPD enters Columbia University in riot gear to clear protest 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 2:04 Arrests made, camps removed during pro-Palestinian protest at UConn 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug