As Trump claims the U.K. Labour Party is meddling in the U.S. election, CBS News takes stock of foreign agent political donations, and who's behind them.

Donald Trump's campaign has accused British Prime Minister Keir Starmer's Labour Party of "blatant foreign interference" in the U.S. presidential election after its volunteers travelled to the United States to help campaign for Kamala Harris.

Angela Rayner issued a defiant response after Donald Trump’s campaign accused the Labour Party of interfering in the US election. Responding to the claim on Wednesday (23 October), the deputy prime minister said political staff campaigning in the US ahead of the upcoming presidential election is something that happens within all parties.