Seven Ukrainian troops were killed in overnight fighting in the restive east, an official said Friday, as clashes between government forces and pro-Russia rebels flared ahead of the publication of a presidential peace plan that includes a unilateral cease-fire.
Separatists who want to split from the government in Kiev were operating tanks in the region, a particular sore point for Ukraine, which accuses Russia of letting the vehicles and other heavy weaponry cross the border.
Russian President Vladimir Putin has voiced concern about the Ukrainian military operation against the rebels but has resisted both the rebels' pleas to join Russia and repeated calls from Russian nationalists for Putin to send troops into Ukraine. NATO reported Thursday, however, that Russia was resuming a military buildup at the Ukrainian border.
Vladislav Seleznev, spokesman for Ukrainian forces in the east, said in addition to the deaths, 30 troops were injured in fighting near the village of Yampil in the Donetsk region.
He said 300 rebels were killed, but that could not be immediately verified. Previous government reports of high casualties among the rebels have often later turned out to be overstated.
An Associated Press reporter saw pro-Russia fighters moving in a column with two tanks and three armored personnel carriers near the town of Yanakiyeve in the direction of Horlivka in the separatist Donetsk region. The tanks flew small flags of a pro-Russia militia but otherwise had no markings. The fighters declined to say what they were doing, other than it was a "secret operation."
At the border crossing near Izvaryne in the separatist Luhansk region, an AP reporter saw a line of 100 or more cars waiting for hours to cross from Ukraine into Russia as people fled the unrest. Some of the cars were piled high with possessions. The United Nations said earlier this week that 34,000 people had been displaced by the fighting.
Ukrainian President Petro Poroshenko discussed the details of his peace plan on the phone Thursday with Putin. Poroshenko's office said he emphasized the need for introducing effective border controls and quickly releasing hostages seized by the rebels.
Poroshenko has said the plan will start with a short cease-fire and include amnesty for pro-Russia fighters who have not committed serious crimes, a corridor for fighters from Russia to leave the country, joint security patrols, early local and parliamentary elections, and protections for the use of the Russian language.
Rebel leaders have dismissed the plan and it remains to be seen to what extent they would comply.
Putin's spokesman, Dmitry Peskov, said Russian officials were surprised at Western expressions of concern over the renewed troop buildup, saying it was merely a previously announced measure to tighten border controls.
"This is not a matter of some sort of concentration of forces, but of the strengthening of border controls of the Russian Federation," Peskov was quoted as saying by the Itar-TASS news agency.
But a senior NATO military officer told The Associated Press in Brussels that the Russians are issuing misleading statements to cover their troop movements — something they had also done in Crimea, along the border with Ukraine and now in eastern Ukraine. He spoke on condition of anonymity because he was not authorized to reveal NATO information.
Separately, Putin's foreign policy aide, Yuri Ushakov, said the Russian president is committed to dialogue on Ukraine and is planning to have a phone conversation with U.S. President Barack Obama in the coming days.
Ushakov also mentioned that Putin, on a visit to Austria next week, would be meeting with the chairman of the Organization for Security and Cooperation in Europe to discuss Poroshenko's peace plan.
Vasilyeva contributed from Moscow. John-Thor Dahlburg contributed from Brussels.
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- Unrest, Conflicts & War