Mike Indian, political commentator and author of The Groucho Tendency blog, talks to Simon Rose about the results of the European Elections and whether the Brexit Party's success will have ramifications for domestic politics. With Theresa May announcing her forthcoming resignation, who are the likely challengers for leadership of the party and what problems will they face? And what of Labour, facing criticism over its Brexit stance, its treatment of members who voted LibDem and now facing an official enquiry into antisemitism in the party?