In London, Gazprom's deputy chief executive, Alexander Medvedev, accused Ukraine of unilaterally closing three export pipelines without warning.

在伦敦，俄罗斯天然气工业股份公司的副总经理亚历山大·梅德韦捷夫，指责乌克兰在没有事先警告，单方面关闭三个出口输气管道。

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Right now, And that has created problems - like in January, when a gas pricing dispute with Ukraine cut energy supplies and left a number of Europeans without heat.

VOA: standard.2009.05.08

The more important is a package of reforms, without which Ukraine's cash-strapped economy has no chance of flourishing.

ECONOMIST: Ukraine

While President Clinton apparently blithely provided such guarantees to Belarus when it recently gave up former Soviet nuclear arms on its territory, he must be wary of assuming new, and arguably more callable, guarantees to states like Ukraine without taking the minimum steps necessary to preserve the U.S. nuclear deterrent.

CENTERFORSECURITYPOLICY: Center for Security Policy | Testing, Testing: Is The Clinton Administration Determined To Gut The US Nuclear Deterrent?

Tymoshenko, without getting approval from the cabinet, dragged Ukraine into a financial contract that forces the country to pay higher prices for gas than any other European country.

FORBES: Why the Assessment Report of the Past Elections is Important for Ukraine?