Dozens of Boko Haram fighters have given themselves up to authorities in southern Niger, the interior minister said, days after the Islamist group suffered key losses over the border in Nigeria. [...]

Hundreds of Boko Haram fighters surrendered in Chad in October and November as the group ceded territory.

The group controlled an area about the size of Belgium in early 2015 but has since been pushed back by international forces including troops from Niger. Nigeria's army captured its last enclave in the vast Sambisa forest on Friday, President Muhammadu Buhari said on Saturday.