"It is in that vein, in that light, that we are working with politicians across Westminster, across the House of Commons... with the Irish government and with the European Union - to find a way that enables us to maintain our commitments that we have set very clearly for no hard border".
Ms Dorries, a leading Brexiteer warned today: 'A legally binding limit won't pass in Parliament.
Conservative Brexiteers want the prime minister to use as-yet unidentified technology to avoid the backstop.
"A series of votes has taken place in the British parliament, upon the basis of which the prime minister will come to explain what comes next".
"In particular as the Whips' Office have been such enthusiastic proponents, I would be intrigued to know how numerous whips have read all 585 pages before trying to persuade us how good of a thing it is".
"What Parliament has said is that they believe there should be changes made to the backstop".
The Democratic Unionist Party (DUP), which has propped up May's government through a confidence-and-supply arrangement they reached since she lost her parliamentary majority in a 2017 snap election, said it wanted to get an agreed deal, but made it clear the border backstop had to be replaced.
Downing Street sources are keen to play down any shift in position, insisting all options remain on the table including replacing the much-despised backstop.
'Game of Thrones' Invades Bud Light Super Bowl LIII Commercial
Later on, the Miller Lite account sarcastically thanked Bud Light for the free advertising. Interestingly, none of our products use High Fructose Corn Syrup, yet several of ABI's do.
But the DUP's Emma Little-Pengelly welcomed the Prime Minister's visit and the fact that she would be returning to Brussels "to seek change which can address our objections to the draft withdrawal agreement".
"The Prime Minister said that our objective now was to secure a legally binding way of guaranteeing we can not be trapped indefinitely in the backstop", the spokesman said.
Pro-Brexit MPs are "setting the prime minister up to fail" says a Cabinet minister.
One minister told the Times that while May had to pay "lip service" to the plan, it could not work because: "It doesn't protect the Good Friday agreement, it isn't practical for business and it is not negotiable with Europe". She told an audience in Belfast that her commitment to avoiding such an arrangement was "unshakeable".
Mr Grayling has already come under fire for the awarding of one of the contracts, created to ease the pressure on Dover if a no-deal Brexit causes delays, to a company with no ships which hopes to open a new route from Ramsgate to Ostend.
The border area was a flashpoint during decades of conflict in Northern Ireland that cost 3,700 lives.
Sinn Fein Leader Mary Lou McDonald, centre, Martina Anderson, left, and Michelle O'Neil, right, knock down a "mock" wall on the Northern Ireland/Republic of Ireland border, near Newry on January 26.