California authorities rush to mitigate impact of major oil spillOil washed up on the shore of Huntington Beach, California on October 3, 2021, after a pipeline breach connected to an oil rig off shore started leaking oil, according to an Orange County SupervisorNEWPORT BEACH (UNITED STATES) - Authorities in California's beachfront Orange County cities scrambled Sunday to mitigate the fallout from a major oil spill off the coast that caused "substantial ecological impacts." "The spill has significantly affected Huntington Beach, with substantial ecological impacts occurring at the beach and at the Huntington Beach Wetlands," the statement said. The spill started around 9:00 am (1600 GMT) on Saturday, the Coast Guard said. "The leak has not been completely stopped, preliminary patching has been completed to repair the oil spill site," the city statement said. It was not immediately clear what caused the spill from what Foley said was a pipeline breach connected to an oil rig offshore.