_________________________________Here is our security correspondent Frank Gardner. Amnesty International has had a team on the ground in Nigerian for some time, gathering testimony from both government officials and members of the public. Their researcher, Makmid Camara says the military were warned of an impending attack by Boko Haram on the town of Chibok at 7 o'clock in the evening over 4 hours before it took place. ________________________________________我们安全方面的记者弗兰克?加德纳带来报道. 国际特赦组织的一只调查队伍在尼日利亚已有一段时日了,期间他们从政府官员和民间收集证词.他们的研究员马克米德?卡马拉表示尼日利亚军方在当天晚上7点曾收到过博科圣地发来的针对茨博克的袭击预告,此时距绑架案发生还有4个多小时.
