NATO joins 25 nations in Russian expulsions over spy attack

NATO joined 25 governments around the world Tuesday in expelling Russian diplomats in response to a nerve agent attack in Britain, marking what London called a "turning point" in the West's relations with Moscow.The US-led military alliance expelled seven Russian staff and denied accreditation to three more, bringing the total number of suspected Russian spies expelled to almost 150, including the 23 initially dispatched by Britain.