"In his resignation letter, Davis said the "'common rule book policy hands control of large swathes of our economy to the European Union and is certainly not returning control of our laws in any real sense".
The ex-Foreign Secretary left the foreign secretary's official residence at Carlton Gardens, central London, late in the evening, accompanied by his wife Marina Wheeler, and without speaking to waiting reporters.
He said selling the policy would "stick in the throat" and he could not stand by waving "white flags" of surrender, meaning he had to quit.
The Prime Minister enduring a bruising battle today as the two Cabinet heavyweights resigned over Brexit.
If she refuses to change course, she could face a leadership challenge. If Graham Brady, the chair of the 1922 committee which is the symbolic seat of backbench power, receives letters of no confidence from 48 MPs then it is likely a vote of no confidence in Theresa May would then be triggered. "More and more members of the public know the only way to sort this political mess out is to take back control of the process with a People's Vote on the final Brexit deal".
Hello and welcome to a particularly early edition of the United Kingdom politics blog. "The dream is dying, suffocated by needless self-doubt", he wrote. Trump isn't expected to directly address Brexit, nor were he and Johnson scheduled to meet.
However, she said that if he was unable to support the Government's agreed position "it is right that you step down".
Mr Johnson went on; "On Friday, I acknowledged that my side of the argument were too few to prevail and congratulated you on at least reaching a Cabinet decision on the way forward".
"I like Theresa May, I think she's a good prime minister, " Davis said.
"The trouble is that I have practised the words over the weekend and I find they stick in the throat".