As we report this morning, European Union leaders have begun preparations for the fall of Theresa May’s government with a plan to delay Brexit if the seemingly inevitable meltdown comes.

Britain’s political instability is now regarded by the EU as the most risky factor in the withdrawal negotiations and pressure will build on the prime minister to delay Brexit by extending exit talks by up to two years.

Fears are growing daily, from one cabinet resignation to another, that Mrs May will not survive beyond Christmas, derailing talks and the prospects of a quick transition deal sought by both British and European businesses.

Because of the uncertainty “no options are excluded”, including a “no deal” disorderly exit from the EU, a postponement of Brexit or