04:30HARDtalkAndriy KobolyevBBC World News Duration: 30 minutes Thu 8th Sep 2016, 04:30 on BBC News North AmericaHARDtalk's Shaun Ley speaks to Andriy Kobolyev, CEO of Ukraine's Naftogaz. Show more ContributorsPresenter:Shaun LeyInterviewed Guest:Andriy KobolyevGenresFactualFormatsDiscussion & TalkBrandHARDtalk Source: BBC Online