California officials, including Governor Gavin Newsom and LA Mayor Karen Bass, have described the move as "unnecessary".

The California National Guard's 79th Infantry Brigade Combat Team, based in San Diego, said 300 personnel were deployed to protect federal property and personnel.

Mexican President Claudia Sheinbaum on Sunday expressed "solidarity" with the Mexican community in the US after raids by immigration authorities in the Los Angeles area.

US President Donald Trump has ordered the National Guard to Los Angeles to deal with unrest over immigration raids. It comes after a second day of unrest in the Californian city, with residents of a predominantly Latino district clashing with Immigration and Customs Enforcement (ICE) federal agents.

Trump ordered the National Guard to Los Angeles to quell concrete-hurling protesters opposed to tougher immigration enforcement.

President Trump on Saturday ordered at least 2,000 National Guard troops to California after demonstrations against a series of raids on workplaces.

The members of California’s National Guard were seen staging early Sunday at the federal complex in downtown Los Angeles that includes the Metropolitan Detention Center, where confrontations

Riots erupted in Los Angeles over immigration raids as California Republicans blame Gov. Newsom and Mayor Bass for the violence by siding with illegal immigrants.