More rain fell Monday on parts of Southern California after causing mudflows over the weekend, helping firefighters but boosting the risk of toxic ash runoff in areas scorched by Los Angeles-area wildfires.

Donald Trump signed a wide-ranging executive order demanding federal and state officials deliver more water and other resources to southern California.

Trump has signed an executive order seeking to circumvent federal and state laws dealing with California's water system in an effort to provide the southern part of the state with necessary water resources to fight wildfires.

President Donald Trump is asserting more federal government control over water management decisions in California and ordering US officials to override local authorities, casting the steps as necessary to boost the state’s firefighting capabilities.