Russia responds quid pro quo to diplomats’ expulsions

MOSCOW — Russia announced the expulsion of more than 150 diplomats, including 60 Americans, on Thursday and said it was closing a U.S. consulate in retaliation for the wave of Western expulsions of Russian diplomats over the poisoning of an ex-spy and his daughter in Britain, a tit-for-tat response that intensified the Kremlin’s rupture with the United States and Europe.