The President highlighted the reasons why talks collapsed in Switzerland last year...
England may also cut back participation in the World Cup which Russia is hosting in June - July...
The European Union also said it would stand by Britain, which is due to leave the bloc in just over a year’s time...
Government scientists had identified the specific nerve agent but are not saying what it is...
The Kremlin said it was ready to cooperate if Britain asked it for help investigating the incident with Skripal...
