BBC News with Jerry Smit. Pro-Russian separatists in the eastern Ukrainian city of Sloviansk have released one of the eight members of an international observer mission, they've been holding since Friday. Five Ukrainian observers are also being held. Bethany Bell reports. "The Swedish military observer who's believed to be diabetic was seen driving away in an OSCE car, but the rest of the team remains in detention, intensive diplomacy continues to secure their release. Earlier the military monitors were shown to the media in Sloviansk. One of them, a German Colonel Axel Schneider, said his team was on a diplomatic mission and was unarmed. ______________________________________ BBC新闻,杰瑞.史密特报道. 乌克兰东部城市斯拉维扬斯克的亲俄分裂分子释放了自周五以来扣押的国际观察团的八名成员之一.五名乌克兰观察员仍被扣押.贝萨尼`贝尔报道."有人见到这位患糖尿病的瑞典军事观察员乘坐欧安组织的车辆离开了,但观察团的其他成员仍遭拘押,为使他们早日获释,各方正紧锣密鼓展开外交努力.早前,军事监督员在斯拉维扬斯克的媒体上露过面.其中一位德国陆军上校阿克塞尔`施耐德表示,他的团队是在执行外交任务,手无寸铁.___________________________________