GETTY Theresa May and Philip Hammond differ over Brexit

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Speculation is growing Mr Hammond is leaning on Mrs May to compromise when talks with EU negotiators get underway next week. And he is preparing to use a major speech in the City of London to outline his own Brexit vision. The Chancellor feels the Conservatives were punished for Brexit by young voters and has suggested a policy change could be on the cards.

If Hammond gets his way then you will get Cabinet resignations Tory source

He is now understood to be pressuring Mrs May to adopt a strategy that would keep Britain in the EU customs union - the trade agreement between European states that allows firms to trade across borders without tariffs or customs checks. Tonight’s speech comes after a string of high-profile interventions by Tory Remainers trying to use Mrs May’s poor showing at the polls to force a change of strategy. Former PMs David Cameron and John Major have both urged her to soften her approach on Brexit since the election, as have George Osborne, Kenneth Clarke, William Hague and Scottish Tory leader Ruth Davidson.

GETTY Brexit talks are due to get under way next week

Mr Cameron, who resigned last June after leading a disastrous Remain campaign ahead of the EU referendum, said: “I think there will be pressure for a softer Brexit.” Former Chancellor Mr Clarke said: “We’re in a new situation and the national interest calls for a cross-party approach.” But Eurosceptic Tories warn they will not accept any change of direction from Mrs May.

GETTY David Cameron has suggested a softening stance on Brexit

Snap election 2017: The pictures politicians may not want you to see Sat, May 27, 2017 Protests, fights and daleks, it all happened when the politicians hit the campaign trail for the snap election Play slideshow Getty Images 1 of 48 A UK Independence Party supporter (L) scuffles with a pro-europe supporter ahead of a visit by UKIP leader Paul Nuttall to Hartlepool