(TNS) — A critical emergency alert system designed to warn UC Davis students and staff failed to fully notify the campus until more than an hour after Davis police Officer Natalie Corona was shot and killed blocks from the university, officials announced, calling the breakdown “unacceptable.”

The WarnMe-Aggie Alert sends text and email messages to UC Davis students and staff and is designed to alert 70,000 people. But the system initially notified only a fraction of those people about the events unfolding less than a mile from the campus and locked campus public safety officials out of some notification lists.

“The system failure we saw on January 10 was unacceptable and we will take all necessary measures to ensure 100 percent performance in the future,” said UC Davis Chancellor Gary S. May in a statement Tuesday.

The chancellor’s downtown Davis residence is also just blocks away from where the 22-year-old Corona was gunned down and where others were sent fleeing when Kevin Limbaugh opened fire from his bicycle as the rookie officer responded to a traffic stop.

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