Nigeria's government says the rise will only affect 1.5 million consumers, mostly manufacturers. But analysts believe the hike will lead to higher inflation and result in job losses and closures of businesses.

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.

Housing is the social issue of the 21st century, German politicians and experts say time and again. And yet there's no improvement in sight, especially in cities, where affordable housing is in short supply.