kpix 5 viewer "jennifer irwin" >>> new video this afternoon of a massive water main break in quarter madera. you can see the water shooting up 40 feet. marine municipal says that's 3,000 gallons a minute. we learned a car hit a hydrant causing the break. >>> an investigation is underway after a police shooting. it happened -- chopper 5 was over the scene a few hours ago. investigators say a knife welding suspect was attacking a teenager who climbed out onto his back and that's when an officer fired multiple gunshots at the 21-year-old suspect killing him. officers say the victim is 16 years old and from union city. no word on his condition. >>> in a few hours, san francisco's mayor will swear in bill scott as the city's top cop. mayor ed lee introduced scott as the next police chief during a conference last month. scott served as deputy chief of the lapd. he replaces tony chaplin and chief greg sir who resigned last may. >>> this afternoon, a federal judge in san francisco is expected to sentence pg and e. this comes after a jury convicted the company of violating pipeline safety law