A monster rainstorm was drenching southern California on Thursday, with officials in Los Angeles readying for flooding and landslides in areas burned by last month's huge wildfires.

In the Los Angeles area, the burn scars that carry the highest risk are those from the Eaton and Palisades fires from January and the Bridge Fire from the fall.

A powerful storm moved through the Los Angeles region Thursday, flooding streets, prompting evacuation warnings, and threatening mudslides in fire-ravaged areas. By Thursday evening, a debris flow had closed Mulholland Drive,