(VOVworld) - The European Union (EU) has set June as a deadline for clinching a new deal with Russia to supply gas to Ukraine through the winter and secure supplies to Europe, an EU official said Thursday on the eve of three-way talks in Brussels between Russia, Ukraine and the EU. The Ministry of Energy of the Russian Federation announced that Moscow will conduct a new round of negotiations, mediated by the EU, on a gas deal with Kiev in Brussels on Friday. Early this month, Russia agreed to supply gas to Ukraine untill April.