The prime minister hammered out a compromise with her deeply divided Cabinet in an all-day meeting at Chequers on Friday, but after consulting friends and allies since, Johnson decided he could not promote the deal, according to the report.
This comes following theresignations of David Davis as Brexit secretary and Steve Baker as a junior Brexit minister - with fieldwork for the poll finishing just prior to the further resignation of Boris Johnson as foreign secretary.
May's proposals for a future European Union relationship after Britain departs from the bloc next March had taken two-years of internal government wrangling to agree, but within 48 hours Johnson and Davis had resigned saying they could not back the plans.
"I'd have to be the champion of the policy that I didn't believe in".
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Croatia, however, may not have the luxury of naming an unchanged side, with several key players missing training on Monday. "It's been a long season, but you play in a World Cup semi-final once in a lifetime and there's no point giving up now".
But leading pro-Brexit lawmaker Jacob Rees-Mogg said he didn't think she would face a leadership challenge.
Hunt supported Remain during the 2016 referendum on EU membership, but has since been critical of the European Commission's approach to negotiations.
On Friday, her cabinet ostensibly agreed to pursue a close post-Brexit trading relationship with the EU.
Some euroskeptic lawmakers dream of replacing May with a staunch Brexiteer such as Johnson, a populist, polarizing politician who has never made a secret of his ambition to be prime minister.
Rebuffing claims that her proposals make too many concessions to the EU, May said her "smooth and orderly Brexit" would leave Britain free to make its own laws and trade deals.
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Officials said they were still working to locate the parents of numerous children, some of whom have been deported. For the other parents, I think there just hasn't been enough of an effort made to locate the parent.
As former Tory leader William Hague writes in The Telegraph on Tuesday: "The harsh truth is that once you have accepted that these are inescapable limitations, you are driven to the kind of Brexit proposals set out at Chequers".
Tory MPs can trigger a vote of no confidence if 48 of them submit letters to the 1922 backbencher committee, chaired by Sir Graham Brady.
But Mrs May has insisted that her proposals are the only way of protecting the economy and preventing a hard Irish border, while at the same time scrapping free movement and allowing the United Kingdom to strike new trade deals.
"I think Dominic Raab will do a brilliant job of going in there and saying, 'This is what we want, are we going to get it and if not we have some alternatives'". He urged May to abandon her plans and take a tougher line with Brussels.
These are the semi-final matchups at the FIFA World Cup (SCHEDULE)
Hurst said Ramsey rightly gets most of the credit for creating a "tremendous team spirit". "It really is. He said: "If I didn't say Harry was my favourite England player, I would be a fool".