London Mayor Johnson takes part in a tug of war with members of the armed services to launch the London...
London Mayor Boris Johnson takes part in a tug of war with members of the armed services to launch the London Poppy Day, outside City Hall, in London, October 27, 2015. London Poppy Day is a street collection event to raise money for serving and retired members of the armed services and their families. REUTERS/Stefan Wermuth