At least 40 people were arrested during anti-immigration-enforcement protests in Los Angeles Sunday night, June 8, and into Monday morning, June 9, authorities said.

The White House and Republican leaders in Congress are calling for quick passage of the centerpiece of President Trump's legislative agenda.

Downtown Los Angeles has been declared an unlawful assembly area following protests that erupted this weekend over the Trump administration's immigration crackdown.

California officials have continued to maintain the deployment of 2,000 National Guard members is "unnecessary".

Lauren Tomasi, a 9News correspondent, was reporting live when an officer behind her suddenly raised their firearm and fired a nonlethal round at close range.

The Los Angeles Police Department declared all of downtown LA an unlawful assembly area Sunday night. State of play: That declaration followed a faceoff between protesters and National Guard members Sunday, a day after President Trump signed a memorandum deploying 2,000 Guard troops to address the protests.

Dozens of arrests have been made after three days of protests, with the National Guard now patrolling the city.

Federal immigration authorities arrested 44 people Friday across Los Angeles, prompting clashes outside at least one location as law enforcement threw flash bangs to try to disperse a crowd that had gathered to protest the detentions.