Brexit negotiator Lord Frost used a government committee hearing today (Tuesday June 29) to hit back at Elton John over his claims around the European touring fiasco, before coming under fire himself for his “inaction” over the situation.Sir Elton has been very vocal over the government jeopardising the future of touring for the UK artists, after the Brexit deal secured with the EU failed to negotiate visa-free travel and Europe-wide work permits for musicians and crew.