From Washington, this is VOA News. European monitors captured in Ukraine say they are well. South Korea's Prime Minister offers to resign over the ferry disaster. I'm Ray Kouguell, reporting from Washington. ________________________"Our presence here in Slovyansk is for sure a political instrument for the decision-makers here in the region, and the possibility to use it for negotiation." The OSCE said a team of negotiators to eastern Ukraine to meet with the self-proclaimed mayor of Slovyansk about freeing the military monitors. And one Swedish observer was released. 美国之音新闻,华盛顿报道.在乌克兰被扣留的欧洲观察员称他们一切安好.韩国总理因沉船事件请辞.我是雷`寇格尔,华盛顿报道. _____________________"我们在斯拉维扬斯克露面是为了确保该地区的决策者会采用政治手段解决问题,并有可能通过政治途径进行协商."安全与合作组织表示,一组谈判人员将前往乌克兰东部地区,就释放军事观察员问題,与自称是斯拉维扬斯克市市长的人进行谈判.一名瑞典观察员已经获释.