A federal judge was expected to issue a ruling Friday on a request by immigrant advocates for restraining orders aimed at restricting federal immigration enforcement operations in Los Angeles and other parts of Southern California.

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.

The city of Los Angeles and other Southern California municipalities are joining a lawsuit against President Donald Trump's administration aimed at halting immigration raids that have spread panic among immigrant communities and sparked widespread protests.

The Trump administration's sweeping immigration raids in Southern California faced a legal roadblock on Friday, as the White House looks to ramp up similar operations across the country using a surge of resources recently approved by Congress.

The confrontation highlights deepening divisions between local government leaders and federal authorities over the enforcement of immigration law.

Los Angeles was already struggling to revive its fragile economy after the most destructive wildfires in its history erupted six months ago. Now, immigration raids are driving workers crucial to the rebuilding into the shadows.

A Times analysis of videos and interviews with police, protesters and legal experts found that officers misused 40-mm sponge rounds at immigration-raid protests.