'No Kings' protest live updates: Cities prepare for anti-Trump rallies nationwide

A hearing is set for Thursday over Gov. Gavin Newsom's request to stop troops from coming to Los Angeles amid anti-ICE protests.

A U.S. District Court judge in San Francisco will hear arguments from California and the federal government starting at 1:30 p.m.

The hearing comes after Newsom filed an emergency motion Wednesday requesting the court's intervention following President Trump's deployment of thousands of National Guard troops and 700 Marines to the area.

A hearing is set for Thursday over Governor Newsom's request to stop troops from coming to Los Angeles amid anti-ICE protests. President Trump has deployed 4,100 National Guard troops and 700 Marines to the area.

President Trump's deployment is raising a host of legal questions regarding what he can and can't do with regards to the military on U.S. soil.

California leaders claim Trump inflamed the protests by sending in the military when it was not necessary, and did so illegally.

"The order we are seeking would invalidate the unlawful deployment of the National Guard to Los Angeles, and ensure that they are under the command of their actual commander-in-chief... Governor Gavin Newsom," said California Attorney General Rob Bonta. "It would also restrict the Marines to appropriate activities while in Los Angeles."

Newsom argues the situation, which has been relatively confined to a few square blocks in downtown Los Angeles, doesn't justify the use of Section 12406 in Title 10, which Trump invoked to send the National Guardsmen.

ABC News contributed to this report.

For the second night, a curfew is in effect for part of downtown Los Angeles that has been the site of protests and marches that have seen some clashes with authorities.

The curfew lasts until 6 a.m. local time.

LA Mayor Karen Bass said the nightly curfew, which first went into Tuesday, would likely remain in effect for multiple nights.

About a half hour before the curfew went into effect on Wednesday, the Los Angeles Police Department said a large demonstration at Grand Park in front of LA City Hall had splintered and was blocking streets in the Civic Center area.

Earlier, police said some protesters in a demonstration marching on Hill Street in downtown LA were throwing fireworks and rocks at officers.

About 700 Marines are still undergoing civil disturbance training at Naval Weapons Station Seal Beach in Orange County, said Maj. Gen. Scott Sherman, head of the task force that's overseeing the deployment of the National Guard and Marines to Los Angeles.

About 700 Marines are still undergoing civil disturbance training at Naval Weapons Station Seal Beach in Orange County.

Sherman wouldn't speculate about when the Marines might join the 2,000 or so Guard troops that have been deployed in downtown areas to protect federal buildings during sometimes violent demonstrations against President Trump's immigration crackdown.

"Our mission is to protect federal agencies, our federal partners, their personnel, as they conduct their federal mission," Sherman said.

Another 2,000 Guard soldiers are on duty and stationed at Joint Forces Training Base in Los Alamitos.

The Associated Press contributed to this report.

As demonstrations continue in Los Angeles and spread to other cities across California and the nation, watch the video for a timeline on how the conflict has unfolded.

With migrant communities already living in fear amid the Trump administration's immigration crackdown, ICE raids in downtown Los Angeles sparked days of protests.