A nightly curfew in Los Angeles will continue for "a couple more days," Mayor Karen Bass said Sunday, the ninth day of protests that have seen US President Donald Trump launch a military-backed crackdown.

No Kings” demonstrations marched in hundreds of cities on Saturday to protest what organizers describe as President Donald Trump’s authoritarian agenda, including recent immigration raids that have rattled communities across the country.

The organized opposition was timed for the day President Trump is hosting a rare U.S. military parade in Washington that's taking place on his 79th birthday.

The curfew extends to sections of downtown Los Angeles where protests have turned into instances of vandalism and looting.

The Los Angeles Police Department moved swiftly on Wednesday night to quell disorder stemming from anti-deportation protests, charging crowds on horses and firing “less lethal” munitions to clear protesters.

The 8 p.m. to 6 a.m. curfew covering a one-square-mile section of downtown Los Angeles will remain in place indefinitely, including Saturday amid one of the largest of the nationwide “No Kings Day of Defiance” demonstrations.

The California National Guard remain active on the streets of downtown Los Angeles on Friday after an appeals court put an order from a federal judge to remove the soldiers on hold only hours after it was decreed.

Both courts are based in San Francisco, and the 9th Circuit is known for its liberal rulings. Ultimately the lawsuit, which was filed by Newsom and California Attorney General Rob Bonta on Tuesday, may be decided in the U.S. Supreme Court. National Guard members have been guarding downtown federal buildings since their arrival Sunday morning.