A California professor has been arrested for allegedly throwing a tear gas canister at ICE agents during a massive raid at cannabis farm last week where agitators also hurled rocks at law enforcement vehicles.

The manager of one farm, Edgar Rodriguez, a U.S. citizen, said he was handcuffed, thrown to the ground and had his arm twisted behind his back after he asked to see a warrant.

A White House spokesperson told CBS News Los Angeles that the order was a "gross overstep of judicial authority."

A California professor was arrested for allegedly chucking a tear gas canister at ICE agents during a raid on a marijuana farm being investigated for child labor violations.

After a federal judge in Los Angeles barred 'roving patrols' by immigration agents in seven California counties, the Trump administration asked the 9th Circuit Court of Appeals to resume operations that lawyers for the state have argued are unconstitutional.

Federal agents raided Glass House Farms cannabis sites near Los Angeles, detaining several people and using tear gas when confronted by protesters at the marijuana operations.

WASHINGTON, July 13 (Reuters) - Federal officials on Sunday defended President Donald Trump 's escalating campaign to deport immigrants in the U.S. illegally, including a California farm raid that left one worker dead, and said the administration would appeal a ruling to halt some of its more aggressive tactics.

Perris Mayor Michael Vargas urged his residents to stay indoors and avoid going out unless necessary, as immigration operations continue.