Is Sierra Leone's diamond industry under threat?

Diamond mines across Sierra Leone are closing, deepening economic uncertainty and raising fears of further conflict. Our presenter Ed Butler travels to the country’s mining region to uncover what’s behind the shutdowns.In the US, a court case is underway between the world’s richest man, Elon Musk, and the head of OpenAI, Sam Altman.And amid ongoing LNG export uncertainty, could coal be on the rise again? We find out what this means for countries in Asia and a mining community in America.