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 2:31 San Diego mayor meets with local leaders to discuss crime reform 2:12 RV park renters need places to live after homeless service provider buys site 22:55 Politically Speaking: 1-on-1 with San Diego Mayor Gloria after reelection victory 1:37 Program gives students hands-on experience in the veterinary field 0:34 1st Amazon Fresh store opens in San Diego County