The leaders of Germany and France are expected to take peace proposals to Moscow today on the second leg of a dramatic initiative to end a conflict in Ukraine that has killed more than 5,000 people and driven Russia-West relations to new lows.
The coordinated trip by German Chancellor Angela Merkel and French President Francois Hollande to see Russian President Vladimir Putin followed five hours of late-night talks with Ukrainian leader Petro Poroshenko in snow-bound Kiev.
Asked by reporters in Paris today how the talks went, Mr Hollande said: "It's the first step." Ms Merkel, back in Berlin, said it was unclear whether the meeting in Moscow would secure a ceasefire and whether there would be further talks.
The Ukrainian military reported that two more soldiers had been killed in the past 24 hours in the east, with 26 wounded.
A statement on Mr Poroshenko's website said the sides had expressed the hope that "Russia had an interest in" a peaceful settlement of the conflict.
The German, French and Ukrainian leaders had called for a quick ceasefire, the withdrawal of foreign forces from Ukraine, the pull-back of heavy weapons and equipment, the closure of the border and the release of all prisoners, the statement on Mr Poroshenko's website said.
A collapse in Ukraine's Hryvnia currency further highlighted the importance of reaching a deal. It lost nearly a third of its value on Thursday after the central bank halted daily auctions at which it sold hard currency to banks.
German government sources said on Thursday the key problem for resuming peace talks was that current front lines no longer tally with what was agreed at talks in Minsk, Belarus, last year.
German government sources continued to say however on Friday that the Minsk talks last September were still the basis for negotiations - the view also of Kiev, France and the United States.
Ukrainian Prime Minister Arseny Yatseniuk said on Thursday that Kiev would not consider any peace plan that cast doubt on the nation's territorial integrity, sovereignty or independence.
NATO says Russia has provided vital support to the rebels in the shape of weapons, funds and troops, something denied by Moscow.
Speaking on BBC radio today, Ukraine's ambassador at large, Dmytro Kuleba, said: "What was discussed yesterday is not a new peace plan actually, it is a set of steps that will allow to implement the existing peace plan and that is the Minsk agreement signed back in September also by Russia.
"We are not speaking about a completely new initiative. It is a set of steps and decisions that will allow to implement commitments already undertaken," he said.
Speaking after meeting Mr Poroshenko in Kiev on Thursday, US Secretary of State John Kerry said Washington supported diplomacy, but would "not close our eyes" to Russian tanks and troops crossing the border.
US President Barack Obama will decide soon whether to provide Ukraine with lethal weapons to fight the separatists, Kerry said.
Asked by Europe 1 to react to reports of possible US arms supplies to Ukraine, Russia's ambassador to France Orlov said: "We are not afraid of that but it would be madness because that would be like pouring oil on the fire."
The rebels have been concentrating on Debaltseve, a rail hub northeast of the big city of Donetsk, where a government garrison has held out despite being nearly encircled.
A temporary truce appeared to be in force around the town on Friday as convoys of buses converged from two sides to allow civilians to be evacuated. Ukrainian authorities said, however, that their forces remained in full control of the town.
A Reuters correspondent who reached Debaltseve with the rebel convoy of buses saw several homes peppered with splinters and shell holes. North of the town there was the sound of sporadic artillery in the distance, but otherwise there was no firing.
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