RadCasts

The United States says it has seized two tankers accused of violating sanctions against Venezuela. One of them, a Russian ship, was boarded in the North Atlantic between Iceland and Britain. The US coastguard had been pursuing the ship for weeks since intercepting it off the Venezuelan coast. During the chase, the vessel underwent a change of name and adopted a Russian flag. Russian support including a submarine was on its way before the tanker was seized. The other tanker, sailing under the flag of Cameroon, was seized in the Caribbean. Also: the White House says that President Trump has been discussing options, including military force, to acquire Greenland, which it says is vital to US security. How a collection of preserved bowel cancer samples could help to unlock the mystery of why the disease is rising around the world, especially among younger people. And the Iron Age battle trumpet discovered in England - the most complete such instrument found in Europe.

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Burkina Faso’s military government says it has stopped an attempt to assassinate junta leader Captain Ibrahim Traoré, just hours after soldiers allegedly plotted to remove him and other senior officials. The latest plot follows years of coups and instability in the West African nation.

We then turn to Africa’s digital frontier, where disinformation is evolving fast. Generative AI and deepfakes are being used to manipulate videos and images, especially during elections. In Uganda, authorities are warning political actors to campaign ethically, while experts demonstrate how to spot fake content. The episode explores both the fragility of power and the fragility of truth.

Presenter: Charles Gitonga Producers: Blessing Aderogba, Ayuba Iliya, Keikantse Shumba, Bella Twine Senior Producer: Daniel Dadzie Technical Producer: Terry Chege Editors: Samuel Murunga and Maryam Abdalla

US President Donald Trump has been discussing "a range of options" to acquire Greenland, including use of the military, the White House said. The White House has told the BBC that acquiring Greenland - a semi-autonomous region of fellow NAT member Denmark – was a "national security priority". We hear from a former senior commander of NATO and a politician from Greenland's parliament.

Also in the programme: US officials say that a mission to board a Russian flagged oil tanker sailing in the North Atlantic is underway; and the discovery of the trumpet from the Iron Age on the east coast of England.

(File photo: People gather for a protest outside the Embassy of the United States of America in Copenhagen, Denmark on March 29, 2025. Credit: EPA-EFE/REX/Shutterstock)