Theresa May was isolated in Brussels by EU leaders including Mark Rutte, of the Netherlands, far left, Charles Michel, of Belgium, Angela Merkel and Emmanuel Macron

Theresa May was humiliated by European leaders late last night after they rejected pleas for any further concessions to get her Brexit deal through parliament.

France and Ireland led a move to strike out a compromise agreement that would have given the prime minister “political and legal assurances” that Britain would not be trapped in an indefinite Irish backstop.

Instead EU leaders took an uncompromising stance, refusing any form of binding guarantee and deleting a pledge that the backstop “does not represent a desirable outcome” for Europe.

The rejection means that the prime minister will return from Brussels empty handed despite a personal appeal to her fellow leaders to help to get the deal over the line.

Downing Street sources tried to put a brave