A decade on, the world has largely forgotten about the Chibok girls, who were kidnapped by Nigeria's Boko Haram Islamist militants. But for victims and their families, like Solomon Maina, who is still waiting for news about his daughter, the tragedy is ongoing.

Berlin's first drug-checking service launched last year and demand is high. Now the data is being shared with the KnowDrugs app, which informs users about the latest drug-checking results in Germany and beyond.

Fuel shortages in Nigeria have raised the price of gasoline and caused huge queues in cities like the capital Abuja, in a country already grappling with high inflation and a cost of living crisis.