Ukrainian President Petro Poroshenko told European Union leaders on Friday that he was extending a cease-fire in eastern Ukraine for three days, Itar-Tass reported, citing an unidentified European diplomatic source.
The ceasefire, between Ukrainian government forces and pro-Russian separatist rebels, had been due to end late Friday.
Russian Foreign Minister Sergei Lavrov said Russia would welcome a three-day extension of a ceasefire in east Ukraine but it must not simply delay an "ultimatum" for separatists to lay down their arms.
"We hope that this does not only mean a postponement of the ultimatum for three days," Lavrov was quoted by Interfax as telling reporters in Moscow after reports that Kiev had decided to extend the ceasefire.
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