Boris Johnson should be jailed over Brexit claims, says ex-David Davis aide

James Chapman’s tweets calling for a ‘Democrats’ party drew support from pro-EU MPs from across the parties.The former chief of staff to David Davis has said Brexit is a catastrophe, and suggested that Boris Johnson and other leading Brexit campaigners should be jailed for claiming there would be an extra £350m a week for the NHS after the UK left the European Union.James Chapman, a former special adviser who now works for a public relations firm, expressed his real views