_____________________________Gabrielle Paluch reports from Bangkok that a delegation representing ASEAN expressed its concerns today during a fact-finding visit to Laos. Rights activists have expressed concern that the Lao government is not doing enough to solve the mystery. Some members of the Southeast Asian regional economic block ASEAN agree. Speaking Wednesday at a news conference in Bangkok after a fact-finding mission to Laos, Philippine's parliamentarian and ASEAN delegation member Walden Bello said the government failed to provide answers to basic questions of the investigation and tried to deny police involvement. ________________________加布里埃尔`帕卢克从曼谷发回报道.奔赴老挝进行真相调查的东盟代表团今日就此问题表示了关注与担忧. 人权活动分子对于老挝政府是否真正倾尽全力以调查该活动分子突然失踪的谜团事件表示非常担心.东南亚国家联盟的部分成员也对此事表示了担忧.在奔赴老挝寻找真相后,此前周三在曼谷新闻发布会上,菲律宾国会议员及东盟代表团成员瓦尔登`贝罗称,老挝政府对于此次调查中基本问题的回答都含糊其辞,也否认了过程中警察机构的牵涉.