Abramovich's Billionaire Ally Takes on UK in Sanctions Challenge.

(Bloomberg) -- A billionaire and "close" partner of oligarch Roman Abramovich has become the first person to challenge the UK's Russian sanctions regime in a London's court. Shvidler, a British citizen who saw his private jets impounded by the UK, says he's suffered "serious hardships" since being designated last March, and sought to push back against a government minister who dubbed him a Putin crony. [Extracted from the article]