Sun Valley December 17, 2023 9:26 pm 15-year-old killed by speeding driver in Sun Valley A 15-year-old was killed by a reckless hit-and-run driver in Sun Valley, police said. Karma Dickerson reports for the NBC4 News on Dec. 17, 2023. US & World Videos 2:25 Teenager in intensive care following attack 2:55 Does LA Mayor think Metro is safe? Here's what Karen Bass said. 3:02 Gunman who shot sheriff's deputy in Jurupa Valley on the list 9:49 Police moving in on building with protesters at UCI 2:06 Large number of pro-Palestinian protesters prompts police response at UC Irvine