Oakland 15 hours ago Police activity forced lockdown at Oakland Arena Attendees at a Hanz Zimmer concert on Thursday were forced into a lockdown at the Oakland Arena due to police activity. Pete Suratos has the details. US & World Videos 0:41 Cal gets ready to host College GameDay for the first time 1:07 Bomb threat at Oakland Arena forces lockdown 2:28 Antioch introduces new city manager 0:18 In-N-Out Burger opens new location in the East Bay 1:14 Major injury crash in Fremont snarls traffic