Ukraine's separatist bastion of Donetsk came under intense artillery fire Sunday, increasing strains on a two-month-old cease-fire deal between Ukrainian government forces and pro-Russian separatists.
European monitors in Ukraine say they are very concerned after seeing convoys of heavy weapons and tanks in separatist-controlled areas of Ukraine.
Swiss foreign minister and current chairman of the Organization for Security and Cooperation in Europe, Karl Erjave, said he is worried about a resurgence of violence. He urged all sides Saturday to do all in their power to further consolidate the cease-fire and stay away from acts that could lead to a new escalation.
由乌克兰分离主义武装占据的顿涅茨克星期天受到猛烈炮火攻击，乌克兰政府军和亲分离分子达成的历时两个月的停火协议面临新的严峻挑战。
驻乌克兰的欧洲观察人员说，在分离分子控制的乌克兰地区见到载有重武器和坦克的车队令他们非常担忧。
瑞士外长兼“欧洲安全与合作组织”现任主席卡尔·埃里亚韦茨说，他对暴力升级非常担忧。他星期六敦促有关各方，尽一切可能巩固停火，避免可能导致局势进一步升级的行动。
