Labor Day August 31, 2023 11:17 am What to know about the Labor Day weekend holiday travel rush at LAX The unofficial end of summer is here. John Cádiz Klemack reports for the NBC4 News at 11 a.m. on Thursday Aug. 31, 2023. US & World Videos 2:35 Irvine police release body cam footage of deadly shooting 2:27 Fontana police shoot man armed with metal pole 2:38 Pedestrian hit by car during police pursuit 1:46 High school guidance counselor accused of sexually assaulting teen 3:45 Experts call for more ways to track extreme heat