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.

LA Pride Parade is the oldest, largest and longest-running event in Southern California, according to Christopher Street West, the nonprofit that produces the event.

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.

California Gov. Gavin Newsom called the move "purposefully inflammatory" and one that "will only escalate tensions."

Pete Hegseth said the Pentagon might mobilize active-duty troops. California Governor Gavin Newsom said it was "deranged behavior."

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

Federal immigration authorities said some of the migrants arrested in Los Angeles last week had criminal histories that included assault and drug offenses.