https://www.adn.com/nation-world/2017/05/15/russia-warns-against-intimidating-north-korea-after-its-latest-missile-launch/
"[Russia']s one of the few countries with diplomatic ties to North Korea."
"Despite international sanctions, Siberian oil companies have sold fuel to North Korea. According to a report by the private intelligence firm Stratfor, 'When China recently threatened to cut off fuel exports to North Korea if it conducted its sixth nuclear weapons test, Russia hinted it could replace at least some of that supply.'"