Community March 23, 2020 8:22 pm Neighbors Helping Each Other in Mission Beach A system of colored papers in residents’ windows notify helpers they need assistance. NBC 7’s Danny Freeman has more. US & World Videos 3:04 Witness of Del Mar shark attack says victim ‘truly fought for his life' 2:53 Shark scientists using new DNA technology to track white sharks in San Diego's waters 2:10 Thousands run in San Diego's annual Rock ‘n' Roll Marathon 0:26 Crews battling fire across US-Mexico border near Otay Mountain 2:43 Large voter turnout at San Diego Mexican Consulate in Little Italy for presidential election