Boris Johnson hits back after Labour leader slams 'exaggerated' spy poisoning claims

Boris Johnson has attacked Jeremy Corbyn for "playing Russia's game" after the Labour leader accused him of "exaggeration" over evidence that Moscow was to blame for the Salisbury poisoning.

The Foreign Secretary has come under fire after an announcement on Tuesday that Porton Down scientists had not verified the source of the Novichok nerve agent believed to have been used in the March 4 attack on Sergei and Yulia Skripal.