Portland, Feb. 5 -- US immigration agents in Oregon must stop arresting people without warrants unless there's a likelihood of escape, a federal judge ruled on Wednesday, February 4.

US District Judge Mustafa Kasubhai issued a preliminary injunction in a proposed class-action lawsuit targeting the Department of Homeland Security's practice of arresting immigrants they happen to come across while conducting ramped-up enforcement operations, which critics have described as "arrest first, justify later."

Similar actions, including immigration agents entering private property without a warrant issued by a court, have drawn concern from civil rights groups across the country amid President Donald Trump's mass deportation efforts.

In a memo ...