Greece has warned it will need more financial aid from Brussels in a ‘no-deal’ Brexit scenario, raising the spectre of bitter EU in-fighting over money. 

In a move that hands potential leverage to British negotiators, Athens has warned that the financial fallout from a no-deal Brexit would leave the country facing “increased financial and political instability” if there was a shortfall in the EU budget up to 2020.

The warnings in a Greek government working paper point to the potential backlash that would be caused by a British crashout which would leave an immediate £10bn-a-year black hole in EU finances.

Dominic Raab, the new Brexit secretary, warned last month that the £40bn so-called ‘Brexit…