Baltic leaders said on Saturday they would back further sanctions against Russia at a European Union summit next week unless there was a de-escalation in eastern Ukraine where Kiev is trying to quell a pro-Russian insurgency.
Hours after the start of a ceasefire on Friday, separatists attacked Ukrainian posts on the border with Russia and a military base, and tried to storm an airforce base, Ukrainain security forces said.
Earlier on Friday, the leaders of the United States, France and Germany agreed Russia risks new sanctions if it fails to take immediate steps to defuse tensions on the Ukraine border.
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