SoCal Nuke Plant Issued Warning Quietly, Little Media Fanfare

... a spokesman for the plant's operator, Southern California Edison, said an "unusual event" was declared at 6:12 a.m....security system was restored within 45 minutes, the Orange County plant remained on unusual event status until 9:50 a.m....failure was not related to nuclear operations and no part of the plant's perimeter was left unguarded....dison did not release details of the incident or say what kind of equipment was involved.Officials were still trying to determine the cause of the failure Saturday afternoon...