Boris Johnson has confirmed Donald Trump's controversial travel ban will not affect British passport holders.
The Foreign Secretary told MPs that Britons "remain welcome to travel to the US" but branded discrimination on grounds of nationality "divisive and wrong".
Mr Johnson told the Commons the US Embassy in London had confirmed President Trump's executive order would make "no difference" to British passport holders.
He said: "The general principle is that all British passport holders remain welcome to travel to the US.
"We have received assurances from the US embassy that this executive order will make no difference to any British passport holder, irrespective of their country of birth or whether they hold another passport."
He added: "This is not our policy, nor is it a measure that this Government would consider.
“I have already made clear our anxiety about measures that discriminate on grounds of nationality in ways that are divisive and wrong."
Foreign Office sources suggested that the UK had secured a "special carve out" from Mr Trump's policy.
Mr Johnson's statement to the Commons came after the US Embassy had earlier suggested that UK citizens with dual nationality from one of the seven countries covered by the temporary travel ban - Iraq, Iran, Libya, Somalia, Sudan, Syria and Yemen - should not seek to obtain a visa.
After a round of frantic diplomatic activity, with Mr Johnson and Home Secretary Amber Rudd contacting their counterparts, the UK was given a "specific deal", Foreign Office sources said.
The US Embassy's guidance was subsequently removed from the diplomatic mission's website.
Meanwhile, Number 10 insisted Theresa May was "very happy" to invite the US president to make a state visit to the UK despite a petition signed by more than 1.3 million against the special honour being granted,
"The petition is out there for all to see, it has been signed by a number of people, there will likely be a debate in the House, that's an issue for Parliament to settle upon," the Prime Minister's spokesman told a regular Westminster briefing.
Number 10 also moved to deny it had attempted to "blame" the Foreign Office for the timing of the invitation to Mr Trump, after criticism it had been offered too early in his presidency.
"I was very clear that the PM had extended the invitation to the president on behalf of the Queen, and that he had accepted.
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"What I would stress is that at no stage did I seek to blame the Foreign Office for making the decision, or attempt to distance Number 10," the spokesman said, referring to reports of earlier comments he had made on the subject.
