Orange County September 25, 2019 11:45 pm Freezer Mishap Damages Stem Cells for Dozens of Patients at Children's Hospital LA A medical mishap at Children’s Hospital Los Angeles leaves dozens of patients afraid and angry. Robert Kovacik reports on NBC4 News at 11 p.m. on Sept. 25, 2019. US & World Videos 3:11 LA Metro poised to have more uniformed officers at Metro stations 1:58 11-year-old girl to become youngest Irvine Valley College graduate 1:00 Teams who have never won an NBA championship, T-Wolves' chances at making history 1:16 Own an iPhone? You could be eligible for a payout as part of a $35 million settlement 1:54 WATCH: Animals snack on cicadas at Chicago zoo