US President Donald Trump has signed a wide-ranging executive order, halting all refugee admissions and barring temporarily people from seven Muslim-majority countries. His decision has been sharply criticised by rights groups.
What is happening?
A suspension of the US Refugee Admissions Programme for 120 days
An indefinite ban on Syrian refugees
A 90-day suspension on anyone arriving from seven Muslim-majority countries - Iraq, Syria, Iran, Libya, Somalia, Sudan, and Yemen. Some visa categories, such as diplomats and the UN, are not included in the suspension
Priority will be given to religious minorities facing persecution in their countries. In an interview, Mr Trump singled out Christians in Syria
A cap of 50,000 refugees to be accepted in 2017, against a limit of 110,000 set by former President Barack Obama
A suspension of the Visa Interview Waiver Program, which allows consular officers to exempt some applicants from face-to-face interviews if they are seeking to renew their temporary visas within a year of expiry
Exceptions could be made on a case-by-case basis
What did Trump say?
Mr Trump says the halt on the refugee programme was needed to give government agencies time to develop a stricter vetting system and ensure that visas were not issued to individuals posing a national security threat.
But he did not specify the measures government agencies were expected to take.
Syrians applying for resettlement in the US were already subject to a complex process of background investigation and security screenings, in a process that could take between 18 to 24 months.
Rights groups say Mr Trump's order targets Muslims because of their faith and that they will legally challenge his move. They also say no refugees have been convicted of terrorism-related crimes.
While announcing the plan, Mr Trump cited the attacks of 11 September 2001. But none of the 19 hijackers who committed the attacks came from countries included in the suspension.
What we don't know
It is unclear how the order will affect citizens with legal permanent residency - people with so-called green cards. Rights groups have advised people to consult immigration lawyers before travelling outside the US or trying to return
The impact the suspension of the Visa Interview Waiver Program will have on visa requests and consular services around the world. Experts say travellers may expect longer waiting times