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 4:31 ‘Dateline' investigates murder case involving man who was stationed in San Diego 2:22 City of San Diego denies rat infestation claims at safe sleeping lot 4:52 San Diego Watercolor Society opens 44th international exhibit 1:10 2024 MLB Division Series: Fun facts, what to know, matchups 0:47 Search & rescue crew return to San Diego after 3 members hurt in crash on way to Helene recovery efforts