Author: BBC World Service

Ben Brown in London and Sumi Somaskanda in Washington, examine the key questions about the Trump tariff rollercoaster of the last few days. Why has the US doubled down on China, with even steeper tariffs of 145%?

A former Gambian soldier, Michael Sang Correa, is standing trial in a US federal court in Denver, Colorado. Correa faces charges of torture and conspiracy to commit torture. Who is he and why is he being trialled in a US court?

Also, what to do about the widespread use of artificial intelligence among university students in South Africa?

And as Ghana's Shirley Ayorkor Botchwey steps into her role as Commonwealth Secretary-General, we explore the legacy of the past leader and the role of the organisation

Presenter: Audrey Brown Technical Producer: Francesca Dunne Producers: Tom Kavanagh, Bella Hassan, Daniel Dadzie and Patricia Whitehorne Senior Journalist: Karnie Sharp

A former Gambian soldier, Michael Sang Correa, is standing trial in a US federal court in Denver, Colorado. Correa faces charges of torture and conspiracy to commit torture. Who is he and why is he being trialled in a US court?

Also, what to do about the widespread use of artificial intelligence among university students in South Africa?

And as Ghana's Shirley Ayorkor Botchwey steps into her role as Commonwealth Secretary-General, we explore the legacy of the past leader and the role of the organisation

Presenter: Audrey Brown Technical Producer: Francesca Dunne Producers: Tom Kavanagh, Bella Hassan, Daniel Dadzie and Patricia Whitehorne Senior Journalist: Karnie Sharp

President Donald Trump has announced a 90-day pause for countries hit by higher US tariffs, but a trade war with China has escalated. Also: Inuit people accuse adventurer of ignorance over Baffin Island trek claim.

With US-China tariff wars escalating- how could Tanzania benefit?

Is South Sudan on the verge of a return to civil war?

And why a TV dating show in Ethiopia is causing controversy.

Presenter: Audrey Brown Producers:  Frenny Jowi in Nairobi, Tom Kavanagh, Nyasha Michelle and Patricia Whitehorne in London and Blessing Aderogba in Lagos. Technical Producer: Pat Sissons Senior Producer: Paul Bakibinga Editors: Andre Lombard and Alice Muthengi

Hundreds of people were inside the Jet Set nightclub in the Dominican Republic's capital, Santo Domingo, when the roof collapsed. Also: major David Hockney art exhibition opens in Paris.

The US this week announced that it would revoke the visas of all South Sudanese passport holders. This was in reaction, to the refusal by immigration authorities at Juba international airport to accept a deported individual. Who is the man at the heart of the dispute and what options does South Sudan have?

Also, why campaigners in South Africa are concerned over the use of hazardous pesticides and worker safety on farms

And the Ivorian beauty pageant that has banned wigs and hair extensions. Is this a good idea or not?

Presenter: Audrey Brown Technical Producer: Philip Bull Producers: Patricia Whitehorn and Bella Hassan in London. Daniel Dadzie in Ghana. Senior Journalist: Karnie Sharp Editors: Alice Muthengi and Andre Lombard

US to impose additional 50% tariffs on Chinese goods. Also: Trump says high-level meeting with Iran will take place on Saturday. And researchers say migration leads to unhealthy diet changes.

Asian and European stocks drop as investors across the globe react to US president Donald Trump’s trade tariffs. Also: a BBC investigation into claims Palestinian prisoners were tortured in Israeli jails.

Who is Massad Boulos the man steering the US and the DR Congo towards a mineral deal?

What's Uganda's role in the DR Congo crisis?

And are African youth more resilient than their western peers?

Presenter: Audrey Brown Producers: Frenny Jowi and Charles Gitonga in Nairobi, Blessing Aderogba in Lagos with Tom Kavanagh and Amie Leibowitz in London. Technical Producer: Philip Bull Senior Producer: Paul Bakibinga Editors: Andre Lombard and Alice Muthengi