Las Vegas October 1, 2021 11:36 pm Fourth Anniversary of Route 91 Mass Shooting Crowds gathered in Vegas where one of the deadliest mass shooting in U.S. history happened. Robert Kovacik reports for NBC4 News at 11 p.m. on Oct. 1, 2021. US & World Videos 3:26 Confrontations occur at UCLA campus amid ongoing protests 2:44 Tommy Trojan statue cleaned after vandalism 0:23 LA County sheriff's deputy dies on duty at station 0:57 Fights break out at UCLA between pro-Palestinian, pro-Israel supporters 4:52 NewsConference: California to help Arizona doctors with abortions