By Alaa Elassar, CNN

(CNN) — President Donald Trump ordered the deployment of 2,000 National Guard troops to quell immigration protests in Los Angeles, overriding California Gov. Gavin Newsom’s objections in a rare move.

This invocation of presidential powers that have remained dormant for decades signifies an escalation that challenges both state authority and long-established standards, some experts and political leaders say.

Protests in and around Los Angeles erupted on Friday after federal immigration agents arrested at least 44 people. The arrests come amid Trump’s crackdown on immigration , which has involved waves of raids and deportations across the country.

Law enforcement used tear gas and flash bang grenades in an effort to disperse protesters over the weekend, but Trum

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