Tom Brake, Liberal Democrat Brexit Spokesperson, has tabled a number of FOI requests calling on the Department for Exiting the European Union to publish the studies. He has also called for a debate on the cost of Brexit and the content of the reports in the House of Commons.

This government’s internal battles are weakening their hand in Europe. Every report of a Cabinet split destabilises our negotiating team and strengthens the position of the EU negotiators.

“This is yet another example of Trump’s boneheaded belligerence. 

I have just appointed my first team of principal spokespeople since becoming leader this summer.

“This is not yet a decision but it soon could be, if the government is allowed to get away with cuts which would betray the best traditions of our past and damage our ability to defend ourselves in the future.