Ukraine's president extends truce for the east

Ukrainian President Petro Poroshenko has extended a week-long ceasefire with pro-Russian separatists in the east for another three days.

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Russia: Ukraine ceasefire 'an ultimatum not peace offer'

The Kremlin said a ceasefire announced by Ukrainian President Petro Poroshenko is an ultimatum to pro-Russian separatists rather than an offer of peace, Russia's Interfax news agency has reported.

"This is not an invitation to peace and negotiations, but an ultimatum to militias in the southeast of Ukraine to lay down their arms," the Kremlin was quoted as saying.

It also claimed that a Russian checkpoint on the Ukrainian border had come under fire and demanded "an explanation and an apology" from Kiev.

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