California National Guard troops were deployed to the streets of Los Angeles on Sunday to help quell a third day of protests over President Donald Trump's immigration enforcement, as the state's Democratic governor called their deployment unlawful.

Legal experts questioned Trump’s response to unrest in Los Angeles, saying the National Guard personnel involved will face strict limitations under the law.

President Trump threatened Elon Musk with "serious consequences" should he decide to fund Democrats in upcoming elections, the latest in the ongoing public spat between the world's richest man and the world's arguably most powerful one.

U.S. President Donald Trump, in an interview with NBC News on Saturday, said there would be "serious consequences" if billionaire Elon Musk funds Democratic Party candidates to run against Republicans who vote for Trump's sweeping tax-cut bill.