By Andrew Chung

Sept 29 (Reuters) - The US Supreme Court on Tuesday let President Donald Trump's administration resume deporting migrants to countries other than their own without offering them the chance to show the harms they may face, bolstering a tool his administration has used for rapid expulsions as part of his immigration crackdown.

The court granted ‌the Justice Department's emergency request to put on hold Boston-based US District Judge Brian Murphy's ruling that the Department of Homeland Security's policy to remove migrants to so-called third ‌countries is unlawful. The court also agreed to hear arguments in the dispute in December, with a formal ruling on the policy to follow.

The court has a 6-3 conservative majority. Its three liberal justices dissented from the decision to let ​the deportations immediately resume pending the final outcome of the litigation.

Murphy's ruli...