"London is back," the capital's Mayor Sadiq Khan told CNBC on Wednesday, laying out his ambition to attract investors, visitors and students away from the U.S.

London Mayor Sadiq Khan sits down with Tania Bryer to discuss a range of issues including London's attractiveness as a financial hub, democracy in the U.S., and AI.

"London is back," the capital's Mayor Sadiq Khan told CNBC on Wednesday, laying out his ambition to attract investors, visitors and students away from the U.S.