Details are few, but the westbound portion of I-580 was completely shut down by the CHP at 2:45 this afternoon as police are searching for a suspect in an attempted robbery and shooting. A witness tells the Tribune that around 2 p.m. a car pulled up alongside a woman walking on the 4000 block of MacArthur Boulevard, demanded her purse and then shot her twice in the legs. As far as we understand, the freeway remains closed between High Street and 35th Avenue. There's no estimated time for the reopening of the freeway, and traffic is being redirected onto Macarthur Boulevard. More as this develops... [Tribune]