Members of Britain's royal family at the Trooping the Colour ceremony on June 13, 2015.

LONDON — The U.K. should hold a referendum on the future of its royal family, a lawmaker vying for the leadership of the opposition Labour party said Friday.

Clive Lewis, a candidate standing to replace Jeremy Corbyn at the helm of the country's main opponents to Boris Johnson's Conservatives, made the suggestion at his campaign launch in London.