Downtown LA September 20, 2023 6:54 am Traffic backs up in downtown LA due to protests on freeway Protesters block part of a freeway in downtown Los Angeles. Video broadcast Tuesday Sept. 20, 2023 on the NBC4 News at 11 a.m. US & World Videos 2:25 Teenager in intensive care following attack 4:03 Growing concerns over Metro safety 3:17 Police remove pro-Palestinian encampment at UC Irvine 3:12 Los Angeles man says he was duped by Culver City plumbing business 2:55 Does LA Mayor think Metro is safe? Here's what Karen Bass said.