MOSCOW, Dec. 7 - Russia has no choice but to sue Ukraine if the borrower fails to fully honor its obligations on December 20, the Russian Finance Ministry said in a statement released on Saturday.

KIEV, Dec. 7 - U.S. Vice President Joe Biden assured Ukraine on Monday of continuing U.S. support and announced the release of an additional $190 million in U.S. aid to help support reforms, AP reported.

KIEV, Dec. 5 – The violation by Russia of its commitments after the signing of the Budapest Memorandum poses a threat to the entire international nuclear security system and undermines the regime of nonproliferation of weapons of mass destruction in general, the Ukrainian Foreign Ministry said.

KIEV, Dec. 5 – Ukraine's international reserves fell 20.8%, or $2.62 billion, last month to hit $9.97 billion as of December 1, the National Bank of Ukraine said in a report.

The current level is the lowest since December 2004, when the reserves were estimated at $9.715 billion.

BERLIN, Dec. 7 - German Chancellor Angela Merkel accused Russia on Sunday of interfering in the domestic affairs of numerous countries that are seeking closer ties to the European Union, Reuters reported.

KIEV, Dec. 7 - Ukraine expects Russia to resume supplies of gas from Monday after Kiev transferred a pre-payment of $378 million to Gazprom, its energy minister said on Sunday, Reuters reported.

KIEV, Dec. 4 – The Polish Senate on Thursday afternoon ratified the Association Agreement between Ukraine and the European Union, according to the official Twitter page of Ukrainian President Petro Poroshenko.

KIEV, Dec. 4 – During the reformation of the healthcare system in Ukraine corruption should be removed, although the country should not be in a hurry with privatization, the newly appointed health minister, Alexander Kvitashvili, said at a briefing.

KIEV, Dec. 5 - Ukrainian President Petro Poroshenko and U.S. Vice President Joe Biden have discussed during a phone conversation the further cooperation between the two countries in the financial and economic sector.

LONDON, Dec. 7 – The main reason of delay in considering a bill on Ukraine’s 2012 budget is the ongoing talks with Russia on the revision of gas contracts of 2009, although the national budget 2012 should be passed by the end of this year, said Social Policy Minister Serhiy Tyhypko.