In the United States, about 800 people have marched through the Dallas suburb of McKinney demanding the dismissal of a white police officer. Corporal Eric Casebolt was seen in a video pinning a black teenager girl to the ground and drawing his gun on two boys after a disturbance at a swimming pool. He's been placed on administrative leave following the incident. Nigerian Defense Chiefs are meeting their counterparts from Cameroon, Chad and Niger in Abuja today for talks on how best to tackle Boko Haram. It's the first of such meetings since President Mohammadu Buhari was elected. _________________________________________ 在美国达拉斯郊区的麦肯尼,大约有800人游行要求解除一名白人警察的职务.有一个视频显示,在一起游泳池骚乱过后,卡普拉`恩里克`卡斯伯特将一名黑人少女按倒在地,并将枪指向两名男孩.事件之后他就被休行政假了. 今天,尼日尼亚防卫长官正在阿布贾会晤来自喀麦隆、乍得和尼日尔的防务长官们,他们商讨的议题是如何更好地对付博科圣地.这是默罕默德`布哈拉当选总统以来首次召开的此类会议._______________________________________