► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs
FT eastern Europe editor Neil Buckley speaks to Professor Norman Dombey, a leading physicist who has told a public inquiry that the polonium-210 used to kill former Russian spy Alexander Litvinenko could only have been produced in a plant in Russia.
► FT World News: http://bit.ly/1Exp0iJ
► FT Global Economy: http://bit.ly/1J5mmqH
► Finland fears growing threat from Russia: http://bit.ly/1JRaJWB
Twitter https://twitter.com/ftvideo
Facebook https://www.facebook.com/financialtimes