A judge has temporarily blocked federal agencies from conducting immigration enforcement raids in L.A. that have shocked the nation in recent weeks.

Trump called National Guard troops and U.S. Marines into Los Angeles in June in response to protests against the immigration raids, marking an extraordinary use of military force to support civilian police operations within the United States. The raids are part of the Republican president's hardline approach toward immigration.

Los Angeles is mounting a legal challenge to the immigration sweeps that have spread fear and outrage across the region in recent weeks. L.A. city, county and surrounding communities announced Tuesday that they have joined a lawsuit that seeks to intervene in the federal actions that have swept the region since June.