NATO's top official accused Moscow outright on Thursday of attacking Ukraine as allied leaders gathered for a summit to buttress support for Kiev and bolster defenses against a Russia they now see as hostile for the first time since the Cold War.

• September 4, 2014

Ukraine said on Wednesday its president had agreed with Russia's Vladimir Putin on steps towards a "ceasefire regime" in Kiev's conflict with pro-Russian rebels, but the Kremlin denied any actual truce deal, sowing confusion on the eve of a NATO summit.

• September 3, 2014

Australia Prime Minister Tony Abbott said on Wednesday he hoped to sign a deal this week to sell uranium to India for peaceful power generation, but halted uranium exports to Russia over Moscow's role in Ukraine.

• September 3, 2014

European officials proposed sweeping new sanctions on Tuesday to starve Russia's companies of capital and technology as punishment for Moscow's intervention in Ukraine, where Kiev officials said Russia was bolstering an "invasion" force.

• September 2, 2014

Ukraine may need as much as $19 billion in additional funds from donors if its conflict with pro-Russian separatists continues during 2015, the International Monetary Fund warned on Tuesday.

• September 2, 2014

China opposed additional sanctions against Russia on Monday over accusations Moscow was sending troops into Ukrainian territory, saying the European Union's push to draw up more measures would only complicate the crisis.

• September 1, 2014

European Union leaders will threaten Russia with new sanctions over Ukraine on Saturday but, fearful of a new Cold War and self-inflicted harm to their own economies, should give Moscow another chance to make peace.

• August 30, 2014

Poland and Ukraine refused permission for a plane carrying Russian Defense Minister Sergei Shoigu to use their airspace on Friday while returning home from a visit to Slovakia.

• August 29, 2014