San Diego County September 20, 2024 5:37 pm Desert heat can make crossing deadly for migrants in San Diego Activists are warning about the possible need for migrant rescues as temperatures in San Diego County mountains are set to rise, reports NBC 7 and Telemundo 20’s Tania Luviano. US & World Videos 1:27 Dogs understand words from soundboard: Study 4:47 Sen. Laphonza Butler compares Kamala Harris' record to Donald Trump's: ‘We deserve better' 3:17 California Lt. Governor on shattering the glass ceiling: ‘We are not going back' 2:49 CBP agents show what it's like along the US-Mexico border 5:37 NewsConference: California falling short in 2030 Climate Goal