A US judge has issued a stay temporarily halting the deportation of visa holders or refugees President Trump issued an executive order.
The American Civil Liberties Union filed a legal case Saturday morning in response to the order.
There are scenes of chaos at airports across the US after Donald Trump imposed a ban on people from seven Muslim-majority nations from entering the country for 90 days.
Downing Street have said “immigration policy in the United States is a matter for the government of the United States” but the PM does “not agree with this kind of approach”.
Qatar Airways has advised passengers flying to the US from seven newly banned majority Muslim countries that they needed to have either a US green card or diplomatic visa.
The statement said: “Nationals of the following countries: Sudan, Libya, Somalia, Syria, Iran, Iraq, Yemen … may travel to the US only if they are in possession of a permanent resident card or any of the below visas.”
It listed foreign government, United Nations, international organisation and NATO visas.