As Oakland grapples with a series of recent shootings, including gunfire that wounded 6 at a school, Police Chief LeRonne Armstrong said federal resources are needed. He also said that much of the violence stems from conflict among gangs within Oakland, San Francisco and Vallejo. Subscribe to KTVU's YouTube channel: / @ktvufox2 KTVU delivers the best in-depth reports, interviews and breaking news coverage in the San Francisco Bay Area and California Watch KTVU's newscasts on https://www.ktvu.com/live Download KTVU's news and weather apps for free at https://www.ktvu.com/mobile-apps Subscribe to KTVU's newsletter at https://www.ktvu.com/newsletters Follow KTVU on Facebook: / ktvu Follow KTVU on Twitter: / ktvu Follow KTVU on Instagram: / ktvu2