<blockquote>'Still, the rebels are no longer publicly disavowing the ceasefire, as they did at the start of last week when they said it did not apply to Debaltseve, which they captured on Wednesday.
A pro-Russian rebel commander said the separatists would now begin pulling back heavy weapons from the frontline.
"The plan was signed last night ... Starting from today there are two weeks to withdraw heavy weapons," Interfax news agency quoted rebel commander Eduard Basurin as saying. Another Russian news agency, TASS, quoted him as saying the pull-back was still being organised and would take place from Tuesday.
For the Ukrainian side, Lysenko said there was no confirmation yet as to whether the rebels had started pulling back weapons.'
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'..Kiev and its Western allies are trying to determine whether the separatists will now halt..' February 22, 2015</blockquote>
Context<blockquote>
'An attack on Mariupol would kill off a European-brokered ceasefire.'</blockquote>