Polls to say the result is too close to comb. Here's Katty Kay.

民意测验显示结果非常接近，难以辨别谁会胜出。Katty Kay报道。

They were sheltered at a makeshift camp after fleeing the militant Islamist Boko Haram. Katty Winner has more.

为逃离极端组织“博科圣地”之手，他们住在临时营地避难。请听凯蒂·温纳的报道。