Heavy overnight rain sent mud flowing onto the Pacific Coast Highway, leading to a full shutdown of the highway between Malibu and Santa Monica Friday, authorities said.

Heavy rains in Southern California have led to mudslides and the closure of the Pacific Coast Highway in Malibu for safety reasons, with cleanup efforts underway.

The Pacific Coast Highway reopening, which was slated for Sunday, has been postponed, Mayor Karen Bass announced Saturday night.

Efforts are well underway to clean up debris flows caused by storms that rolled through SoCal as well as mitigate damage that could potentially be caused by future rainfall. Back-to-back days of precipitation triggered mud and debris flows along Pacific Coast Highway in Malibu and the Pacific Palisades as Thursday turned to Friday,