Nigeria

Tigran Gambaryan, an American compliance official for the giant cryptocurrency exchange Binance, flew to Nigeria in February for a planned two-day business trip. He hasn’t returned.

Tunde Onakoya is trying to break a record for the longest chess marathon. And he’s playing his games in the open air in Manhattan.

Their capture set off a global campaign to “Bring Back Our Girls.” But many are still missing, and kidnappings in Nigeria have proliferated.

The group show “Nigeria Imaginary” will be one of the most ambitious African presentations ever at the Venice Biennale.

The military of the West African nation, which is plagued by kidnappings largely driven by demands for ransom payments, said 137 children had been freed in the country’s north.

A mass abduction reported in a region terrorized by Boko Haram, and another days later at a primary school, highlighted the government’s inability to control crime and armed insurgency.

Even in countries where homophobia is pervasive and same-sex relationships are illegal, authors are pushing boundaries, finding an audience and winning awards.

Recommended reading from the Book Review, including titles by Ayòbámi Adébáyò, Fiona McFarlane, Elin Hilderbrand and more.

A mundane contractual provision met with rampant corruption — revealing a serious vulnerability in one of the backbones of international commerce.

Like many Nigerians, the novelist Stephen Buoro has been deeply influenced by the exquisite bedlam of Lagos, a megacity of extremes. Here, he defines the books that make sense of the chaos.