You mean the country that has been partitioned by Russia to form Transwhatever?
I'd like to see a more reliable source to verify these claims.
Maybe true, but the folks making the claim have an axe to grind.
It's like news out of Russia or Ukraine on the subject of Ukraine.
FBI foils smugglers’ plot to sell nuclear material to Isis
http://www.independent.co.uk/news/world/middle-east/smugglers-tried-to-sell-nuclear-material-to-isis-a6684051.html