Rich, richer, richest: The pandemic billionaires

During a year of economic hardship for many, some have in fact taken advantage of the pandemic and got even richer. The world's billionaires have grown their fortunes to a record high of $10.2 trillion during the pandemic. Our economics correspondent Helia Ebrahimi has been looking at the reasons why the super-rich have come out on top and what this tells us about how our economy works. Sources: CNN, Sky News, BBC, Fox News