Trump's "Liberation Day" tariffs

US president Donald Trump has promised to put in place a range of tariffs which he says will improve American competition in trade and protect US job. He's described it as 'Liberation Day'

We'll hear about two key elections - in Florida and Wisconsin - which are seen as an early test of President Trump's popularity.

And we'll head to South Africa, to hear about the use of radioactive materials to help prevent smuggling of rhino horns from poached animals.

Presenters: James Copnall and Victoria Uwonkunda

(Photo: White House Press Secretary Karoline Leavitt responds to questions from the news media during a briefing outside the West Wing of the White House. Credit: Shawn Thew/EPA-EFE/REX/Shutterstock.