On the heels of major shows of force by federal immigration agents in Southern California, a judge is set to rule in a lawsuit seeking to halt immigration raids in Los Angeles. The developments again thrust a spotlight on a region that emerged weeks ago as an epicenter of large-scale immigration raids by the Trump administration – and of tense protests against the actions that often yielded arrests of their own.

ACLU attorneys urged a federal judge in a downtown Los Angeles courtroom to temporarily block what they describe as a wave of unconstitutional immigration raids sweeping across Southern California.

Los Angeles leaders said Tuesday the city would join a lawsuit against the Trump administration over immigration raids in the local area. The city will join the American Civil Liberties Union in suing the federal government,