Salisbury spy poisoning: May issues ultimatum to Moscow

Theresa May has given Vladimir Putin’s administration until midnight on Tuesday to explain how a former spy was poisoned in Salisbury, otherwise she will conclude it was an “unlawful use of force” by the Russian state against the UK.After chairing a meeting of the national security council, the prime minister told MPs that it was “highly likely” that Russia was responsible for the attack on Sergei Skripal and his daughter, Yulia.In a statement to the House of Common