Two of the three hostages were shot and released, condition unknown. Reports so far: three perps, three hostages, one person shot to death - apparently a hostage shot by the robbers. Reports have shots fired at police, striking police cars and houses of bystanders.
Will update as more details are confirmed.
Update: One suspect dead, two injured. Second fatality still not confirmed, but is assumed to be one of the hostages. No update on injuries to other two hostages 5:35 PDT
Update: According to News 10, all three suspects were shot, one fatally. Two suspects taken to hospital 5:41 PDT
Update: A bullet hole or two in the stolen getaway car... 6:27PDT
Update: According to News 10, a second suspect died of gunshot wounds 10:05 PDT
Update: As of 8AM this morning, Thornton road was still taped off and barricaded
Update: Saturday 7/19 Report from Stockton Record that there may have been a fourth subject who dropped the robbers at the bank in a black sedan. Under the law, abetting a felonious death could make him eligible for the death penalty when apprehended.