and express their positions. reporter: volobuev says that he intends to sign up for ukraine s army, but for now he could be more useful to intelligence networks says this analyst at chatham house. his value is going to be to particularly western intelligence services that will want to debrief him about the functioning of gazprombank, the extent to which its leadership is still connected with the kremlin. reporter: volobuev s personal protest is a risky one, yet even he believes it s unlikely to change the course of the war in ukraine yet. translator: he s gone so far, he has no exit route. he s covered in blood, and the economy won t stop him. he will go all the way. the only thing that can stop him is regime change or his own death. reporter: nina dos santos, cnn, in london. historians and military
previously seen as, quote, unrealistic. his comments coming a day after the russian president, vladimir putin, sent shock waves through europe by cutting off natural gas supplies to poland and bulgaria over their refusal to pay in rubles. two leading european energy companies said on thursday they re working on a way to make the ruble payments without running afoul of sanctions. now, germany s uniper and austria s omv confirmed they re working on a sanctions compliance solution. on wednesday, hungary said it will use moscow s payment scheme to pay for its oil and gas. a former senior official of gazprombank says he resigned from his post and left russia as an act of dissent after the invasion of ukraine. igor volobuev was a vice president at gazprombank who worked at the company for six years. he spoke to cnn s nina dos santos. here is her report.
Igor Volobuev, vice president of state-owned Gazprombank, has confirmed that he has fled Russia and will fight with the Ukrainians against Kremlin forces after two other top executives were found dead in their homes