Oakland - (KTVU) – A security guard protecting a Bay Area television news reporter died early Saturday morning, three days after he was shot during a robbery attempt in downtown Oakland.Kevin Nishita worked as an armed guard for the Star Protection Agency.On Wednesday, he was guarding a KRON-TV news reporter covering the story of a masked mob breaking into a clothing store near the intersection of 14th and Webster in Oakland.An assailant then came up and tried to steal the camera equipment.Nishita was shot in the abdomen, and rushed to Highland Hospital in critical condition.A man from Berkeley who was standing near the shooting scene, was hit by shrapnel.Nishita died just before 5 a.m.