By Andrew Osborn MOSCOW (Reuters) - Moscow has told Britain it must cut just over 50 more of its diplomatic and technical staff in Russia in a worsening standoff over the poisoning of a Russian former spy and his daughter in England, the Russian Foreign Ministry said on Saturday. Separately, Moscow also demanded an official explanation for the search of a Russian passenger plane in London, saying it could reserve the right to act similarly against British airlines in Russia. Britain said the search was routine.
Original Article: UK-Russia standoff deepens as Moscow cuts UK diplomats