South Bay September 11, 2024 4:11 pm South Bay residents worried over air quality from Tijuana River sewage crisis Researchers say the air around the Tijuana River is dangerous, while county leaders say they have not seen the evidence. NBC 7’s Joe Little reports. US & World Videos 0:47 Search & rescue crew return to San Diego after 3 members hurt in crash on way to Helene recovery efforts 2:11 Rescuers reveal tragic background of trafficked jaguar cub abandoned in Alpine 2:54 Family of slain Chula Vista woman speaks out after husband pleads not guilty 2:00 CDC to begin South Bay health assessment to investigate Tijuana river sewage crisis 3:05 San Diego weather today: Brooke Martell's morning forecast for Oct. 3, 2024