Ukraine's state-run energy company Naftogaz has suspended gas payments to Russia until the conclusion of price talks, chief executive Andriy Kobolev was quoted as saying on Saturday.

• April 12, 2014

Russian gas exports to Ukraine have been falling since early April, a gas industry source said on Friday, declining to give a reason for the reduction.

• April 11, 2014

Ukraine said on Friday it would turn to Europe for gas and won a promise of help from Brussels after Russia warned it could cut supplies over Kiev's refusal to pay Moscow's "political, uneconomic price" for supplies.

• April 11, 2014

President Vladimir Putin warned European leaders on Thursday Russia would cut natural gas supplies to Ukraine if it did not pay its bills and said this could lead to a reduction of onward deliveries to Europe.

• April 10, 2014

Russia's Foreign Ministry accused NATO on Thursday of using the crisis in Ukraine to boost its appeal to members and justify its existence by rallying them against an imaginary threat.

• April 10, 2014

Russia told the West on Wednesday that four-way talks between representatives of Ukraine, Russia, the United States and European Union must focus on fostering dialogue among Ukrainians and not on bilateral relations among the participants.

• April 9, 2014

Greece, at risk of crashing out of the euro zone just two years ago, will issue its first sovereign bond in almost four years on Thursday, seeking to send a strong political and economic signal it is on the way out of its debt crisis.

• April 9, 2014

China praised Russia's role in nuclear talks with Iran on Wednesday and said it was optimistic that a comprehensive settlement between Tehran and six world powers in their nuclear dispute can be reached by the July 20 deadline.

• April 9, 2014