Peter Mandelson leaving his home in Wiltshire on February 20, 2026. Photo by Ben Birchall/PA Images via Getty Images) Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Peter Mandelson, a former U.K. ambassador to the United States, has been arrested in London over a criminal investigation into alleged ties to convicted sex offender Jeffrey Epstein.