The Sheriff’s Department received a call around 6 p.m. about a man who said he was armed with an AR-15 rifle and a bomb at the hospital, was experiencing a mental health crisis and heard voices in his head that told him to shoot patients at the children’s hospital, Dicus said.

Swatting Call Prompts Large Police Response at Southern California Hospital, Loma Linda University Children’s Hospital, active shooter

Hundreds of law enforcement officers responded to reports of a possible armed individual at Loma Linda University Children's Hospital in California on Wednesday (March 12) but the threat was later deemed false.