Police in Oakland released additional details and vowed more arrests would be made, after dozens of riders on ATVs and dirt bikes took over the Bay Bridge on Sunday.

Oakland interim police chief James Beere, San Francisco police chief Derrick Lew and Steve Ramos of the Golden Gate Division of the California Highway Patrol held a briefing after dozens of riders on ...

More than 100 officers from Oakland police, San Francisco police and the California Highway Patrol took part in stopping a sideshow Sunday afternoon after tracking the group for hours.