BBC News with Julie Candler The first detachments of troops and tanks have begun arriving in three northern Nigerian states as part of a combat operation against Islamist militant groups. _______________________________________________ When asked about the prospect of civilians getting caught in the crossfire, a spokesman for Nigeria's president, Dr Doyin Okupe, told the BBC that he could not make any predictions about casualties. BBC新闻,朱莉`坎德勒报道. 作为针对伊斯兰武装组织作战行动的一部分,第一批派遣的部队和坦克已开始陆续抵达尼日利亚三个北部城市. _______________________________________________当被问及平民百姓是否会被卷入到战火中时,尼日利亚总统发言人多尹`奥库佩告诉BBC记者,他并不能对伤亡情况作出任何预测.
