China announces further retaliatory tariffs on imports from the United States, bringing the world closer to an all-out trade war.

Also on the programme: South Korea's president has his impeachment upheld, and we hear from Tanzania on the benefits of the Chagga people's diet.

(Image: U.S. President Donald Trump gestures as he boards Air Force One to travel to Palm Beach International Airport, at Miami International Airport on 3 April 2025. Credit: Reuters/Kent Nishimura)