Yet a few years ago Mr Johnson was a leading defender of Britain staying inside the single market.
"I would vote to stay in the single market," Johnson told Sky News in 2013.
26 Jun 2016 · Boris Johnson has said the UK there will be “still have access to the single market”, despite Britain’s historic vote to leave the EU.
“There is a free trade zone stretching from Iceland to Turkey that all European nations have access to, regardless of whether they are in or out of the euro or EU. After we vote to leave we will remain in this zone....
Conservative MEP Daniel Hannan said : "To repeat, absolutely nobody is talking about threatening our place in the single market".