LONDON — Britain has given Moscow until midnight on March 13 to explain how a Russian-made nerve agent came to poison a former spy in Britain. If none is given, Prime Minister Theresa May says Russia will be hit by “extensive” retaliatory measures.
Associated Press: Sanctions, cyberattack among possible UK moves on Russia
People work at computers during the 10th International Cybersecurity Forum in Lille on Jan. 23.
