REOPENING the Brexit debate risks “throwing up a huge dust cloud of uncertainty” for businesses, a former adviser to Andy Burnham has warned.

told Radio 4’s Today Programme that he believed Britain could strike a better deal with the EU.

UK and EU flags waving in front of Big Ben.
Reopening the Brexit debate risks ‘throwing up a huge dust cloud of uncertainty’, according to a top economist Credit: AFP
A man in a suit and blue patterned tie speaks at a podium during the British Chambers of Commerce Global Annual Conference.
Former Burnham adviser Andy Haldane said businesses could be put at risk Credit: Anadolu via Getty Images

He said: “Could we strike a somewhat better deal on both the trade front and freedom of movement front?

“Yes, we could, and yes, we probably should.

“Is that a reason to open up the whole debate about , rerun that fractured, fractious debate?

“I think that will be a damaging thing from a growth perspective.

“So we’d throw up a huge dust cloud of uncertainty.

“Not least to business, which we can ill afford in this environment.

The former chief economist has hit out at the PM ahead of the Budget as he is poised to hit banks and to offset damage inflicted on the public finances.

Mr Haldane said the uncertainty around Brexit before and after the referendum acted as a huge drag on business investment and growth.

PM Andy Burnham has opened the door to rejoining the EU after the next election.

But he has committed to staying out of the Single Market and Customs Union during this .