The 21-storey Martin Tower, former headquarters of a US steel company, is demolished in Pennsylvania.

Dwytt Lewis is one of the 400 Morehouse College graduates whose debt is being wiped by a US billionaire.

Two prostitutes who work on the streets of Freetown tell their stories.

Narendra Modi and Donald Trump have used anti-immigration rhetoric to divide voters on national identity.

Colombian farmers are piloting a way of raising cows that's better for the environment.

Photographer Barry Lewis discovered the colourful world of Miami Beach and documented its rejuvenation.

How technology and community support is keeping people with dementia in Japan safe.

Despite Israelis' love of Eurovision, many view Europe with distrust, says James Landale.

Political parties in India promise water for everyone - but that could be a tough challenge

How a revamped Nintendo controller allows eight people to control a game simultaneously.

AI-powered advertising copywriters are coming, but can they be taught to be as inventive as humans?

Chorus singer Darwin Prakash never intended to sing professionally until a chance meeting five years ago.

Anders Povlsen fell in love with Scotland on a fishing trip and is now its biggest private landowner.

Seven million Malawians are voting for a new president in one of the country's most unpredictable polls.

Venezuela's embattled leader proposes an early election for the opposition-controlled body.

The three-time world champion is famous for a remarkable recovery from a near-fatal crash.

President Joko Widodo wins a new term in Indonesia, where his rival has vowed to take legal action.

A dispute over Huawei has escalated with implications for the firm, the tech sector and consumers.

Christchurch mosque attacker Brenton Tarrant is formally charged with terrorism for the March killings.

A three-time Formula 1 world champion and non-executive chairman of the Mercedes team, Niki Lauda was one of the biggest names in motorsport.

Periods might not turn wine into vinegar but can they affect an athlete's performance? BBC Sport looks at how athletes and doctors cope with menstruation.