Investigation into Borussia Dortmund Attack

A letter found near the scene of the attack on the football team's bus claims responsibility, but German investigators have not yet given more information. One player, Marc Bartra, was injured.

More children have been used in so-called "suicide" attacks by the Islamist group Boko Haram this year than in the whole of 2016, says the UN.

And we'll hear from the lady who may be Africa's oldest woman.