Skateboarders, police clash at Dolores Park in San Francisco

A San Francisco police officer and two skateboarders have been hospitalized after allegedly being attacked by a skateboarder in Dolores Park Tuesday night. It happened shortly after 7 p.m. in what police are calling a "mob incident" at the park at 19th and Dolores streets, during an informal skating competition that turned confrontational. Allie Rasmus reports