Philip Hammond, the former chancellor, has accused Dominic Cummings of attempting to force through a no-deal Brexit TIMES PHOTOGRAPHER RICHARD POHLE

Boris Johnson risks betraying the EU referendum result by allowing “unelected people” intent on wrecking any chance of a deal to “pull the strings” of his government, Philip Hammond is warning.

In his first intervention since resigning as chancellor, Mr Hammond accuses Dominic Cummings, Mr Johnson’s most senior aide, of attempting to force through a no-deal Brexit by making demands that Brussels “cannot, and will not, accede to”.

Writing in The Times he claims that the suggestion from Brexiteers such as Dominic Raab, the foreign secretary, that Leave voters were informed before the referendum of the risks of a hard exit is “a total travesty of the truth”.

He says that there is neither a public nor parliamentary mandate for no-deal and warns the prime…