The US is forecast to be hit the hardest among advanced economies because of uncertainty caused by tariffs, the IMF says. Growth is now expected to be 1.8% this year, down from the IMF's estimate of 2.7% for the US in January. It comes after US stocks and the dollar plunged on Monday following Donald Trump's attack on the US central bank boss Jerome Powell - who he labelled a "major loser" - for failing to cut interest rates.

Also in the programme: We're live in Rome and we hear tributes to Pope Francis from Nigeria, the Philippines and Ghana; and from Pakistan - the effort to save the snow leopard from extinction.

(Photo: International Monetary Fund (IMF) Managing Director Kristalina Georgieva delivers remarks on the global economy, ahead of the IMF/World Bank Spring Meetings, at the IMF headquarters in Washington. Credit: Reuters/Leah Millis)