Two senior aides to Nigel Farage, the firebrand leader of the U.K.'s populist Reform party, have stepped down in the wake of an investigative news report.

James Orr, Reform’s head of policy, and Dan Jukes, one of Farage’s close aides, stand down

An undercover sting by journalists posing as a wealthy American backer and his son was broadcast hours before the anti-immigration party's annual conference. #EuropeNews