Investigators suspect the al - qaida - linked muslim extremist abu sayyaf group may have been involved 菲律宾调查人员怀疑，恐怖组织伊斯兰团和阿布沙耶夫反政府武装是肇事者。
2.
The abu sayyaf group ( asg ) in the philippines repeated the type of kidnappings endemic to the philippines in 2000 菲律宾的阿布萨耶夫组织( asg )再次发起了曾于2000年风行于菲律宾的绑架活动。
