Oakland 7 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 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 1:58 Bay Area heatwave impacting local businesses 1:56 Bay Area heatwave impacts East Bay