Transcript for Russia expelling British diplomats in retaliation for move made by UK

The diplomatic showdown between the UK and Russia over the poisoning on British soil of a former. British spy and his daughter and this morning Russia is expelling British diplomats in retaliation for a similar move made by the UK it all comes as a Russian dissident living in Britain is murdered in and missed all of this. Vladimir Putin is up for reelection to her out ABC's Terry Moran is in Moscow Teri good morning to you. Good morning guys yeah there's not much suspense about who's gonna win the election here tomorrow Vladimir Putin's been ruling Russia. For almost twenty years now and the more you roles the more aggressive he gets around the world but he's also canny and calculating. As he showed today in the Kremlin's measured response diplomatically. To Britain in this spy poisoning attack. This morning the British ambassador in Moscow summoned to the Kremlin informed of Russia's response to the UK. 23 British diplomats will be expelled a consulate and cultural center closed. The Kremlin mirroring the UK measures declining to escalate for now. All this as counter terrorism police and Hazmat suited technicians. Are scouring the London home of Nicolae Glascoff found dead last week Scotland Yard now declaring his death a murder. Bush got a fierce critic of Vladimir Putin was a former top executive at arrow flop the Russian airline. And fled Russia and claimed asylum in Britain in 2004. Bush goes murder comes just over a week after Russian spy Sergey script Paul and his daughter were poisoned by a rare nerve agent in Salisbury England British foreign minister Boris Johnson has personally accused him in that attack all quarreled. If you proteins crime. And with his decision. And we think it overwhelmingly likely that he was his decision. To direct the use of a nerve agent on the streets of the UK elm street to your. Russia denies any involve. What's the true but it telling you must approve beauty I mean just the statements will be government does not enough for us. The proof the British government says are samples of the nerve agent itself. Which are now being sent. To the Organization for the Prohibition of Chemical Weapons they will test them in their labs probably set about to secondary lab and Dell have a verdict on just what this this and may be. Where it came from. While in Dan. Lot of questions had to be answered all this muscle flexing on the global stage but couldn't only makes him more popular heading into this election very popular dietary said that Fred no doubt who's gonna end that presidential election thanks Gary for your reporting.

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