The Brexit debate has been reignited after Labour leadership contender Wes Streeting called it a ‘catastrophic mistake’ and said the UK should rejoin the European Union. His comments put pressure on rival Andy Burnham, who has previously advocated for rejoining the bloc but is fighting a byelection in the leave-voting Makerfield constituency. But how would rejoining work and would the EU even agree to it? Lucy Hough speaks to the Guardian’s Europe correspondent, Jon Henley