When Theresa May called a snap election this summer, she was on track to cement her parliamentary majority and strengthen her hand in the Brexit negotiations to come. But for her, and for the Conservative party, the election was a train crash – returning her as head of a minority government. Since then, politicians and analysts have been scratching their heads to figure out how her seemingly unassailable lead was largely eaten up by the opposition Labour Party. Could it have been a surge in young anti-Brexit, anti-austerity voters? I went to Northern England to find out.