So Britain sends Russia an ultimatum. Russia in turn demands proof.

Simply put, they don't give a flying feck to whatever Britain thinks. After the Litvenko poisoning, this is their message to those deemed traitors - you die.

Boris Johnson is a joke. He'll swear at countries like Turkey and other less powerful nations but when it comes to the big boys, he'll issue the standard Foreign Office denunciation. He did the same with Iran, and now with Russia.

Russia is laughing. But before anyone attempts to mock May's Govt, think what the alternative would be the apologist Labour leader Steptoe. He probably say okay now let's set all this aside and work for denuclearisation.

I just hope no further public funds are wasted in pointless inquiries that lead nowhere and are toothless.