18-year-old arrested in hit and run that injured SFPD officer

A San Francisco police sergeant is recovering after being struck by a car in a Tenderloin crosswalk on Tuesday.  The driver,18-year-old Marisa Androvich, left the scene, police said, but was apprehended less than a half hour later.  Androvich was booked into jail on a felony hit-and-run charge.  Debora Villalon reports