Schools September 9, 2024 6:49 am School districts modify schedules due to heat Several Southern California school districts are changing their schedules due to the heat. John Cádiz Klemack reports for the NBC4 News at 6 a.m. on Sept. 9, 2024. US & World Videos 3:08 Taggers take over Hollywood Hills mansion 2:01 Salmonella outbreak temporarily shuts down Valencia restaurant 2:16 8 firefighters injured in Irvine rollover crash 0:45 Salmonella cases shut down restaurant in Valencia 1:34 Firefighters injured in Irvine crash were returning from battling Airport Fire