UPDATED: California police respond to shooter report

SAN BERNARDINO, Calif. (AP) – 2:30 p.m. PT: Police say the attackers who killed an estimated 14 people at a Southern California social services center came prepared with long guns. San Bernardino Police Chief Jarrod Burguan declined to say what kind of weapons they used at the Inland Regional Center. Burguan says a motive wasn’t yet…