被劫人质来自棉兰老岛上南阿古桑省的一个村庄及当地一所学校。

The hostages were from a village in Agusan del Sur province on Mindanao island and the local village school.

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菲律宾阿古桑地区是重要的铁、铜(金)多金属成矿带，由于覆盖厚地质工作难度大。

Agusan is the important polymetallic mineralization zone of iron and copper (gold), it is difficult for geological survey because of thick covering.

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