Oleksandr Yefremov, the highest ranking associate of Viktor Yanukovych to be arrested by Ukraine’s authorities, seen here in a photo from 2015. Among charges: sponsoring terrorist organization and stoking separatism KYIV – Ukraine’s authorities on July 30 detained Oleksandr Yefremov, an associate of Viktor Yanukovych. He is the highest ranking associate of the disgraced ex-president to have...