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 2:13 Meteorologist explains why northern Lights were visible from parts of San Diego County 2:49 Collision involving teen cyclist sparks demands for improved bike lanes in La Mesa 3:56 What to know if you're flying out of Tijuana 3:28 Female pilots at MCAS Miramar inspire women to pursue aviation careers 2:46 Candidates face off in race for San Diego's 51st Congressional district