Ariana Grande had not long completed her set when Salman Abedi detonated his suicide vest with what horrified witnesses remembered as ‘a deafening bang’. It was 10.31 p.m. on Tuesday, 22 May, the day after May’s U-turn, and more than 14,000 people were heading home from Manchester Arena. If this was a general election about young people it was never more so than at that moment.
