Southern California drenched by powerful Christmas storms, flash flooding

Flash flood warnings were in effect in Los Angeles and most of southern California on Wednesday as one of the worst Christmas storms in recent memory brought heavy rain and fears of deadly mudslides. Driven by an atmospheric river known as “the Pineapple Express”, which moves heavy moisture from the tropical climes of Hawaii to rain on the West Coast, the storm is expected to deliver months’ worth of rain over the next few days. California Governor Gavin Newsom declared a state of emergency in...