Fresh reports of violence and convoys of heavy weaponry on the move in eastern Ukraine Monday increased doubts about the viability of a shaky cease-fire reached between Kyiv and Russia-backed separatists in September. 最新报道:本周一,乌克兰东部出现暴力事件及重型武器的护卫队.今年九月,基辅方面与得到俄罗斯支持的分裂分子达成停火协议,但这则报道增加了人们对岌岌可危的停火协议是否可行的疑虑._____________________________