The seriousness of Boris Johnson's Brexit proposals has been called into question after a leaked memo appeared to suggest that the EU could be described as "crazy" if they blocked a deal.
European Parliament Brexit co-ordinator Guy Verhofstadt said agreeing to the Prime Minister's Brexit proposals would be "nearly impossible" because of the backstop ideas.
Boris Johnson has described his Brexit proposals as a "compromise" in a bid to find a "breakthrough" in the negotiations with the EU.
The EU's chief Brexit negotiator Michel Barnier has said "a lot of work" still needs to be done in order to solve the Irish backstop issue.
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