this is bbc news. i'm martine croxall. the headlines at 3pm: president trump angrily rejects a us court ruling which temporarily lifts a ban on travellers from seven mainly muslim countries. judge robart‘s decision effective immediately, effective now, puts a halt to president trump's unconstitutional and unlawful executive order. i signed executive order. isigned an executive order. i signed an executive order to help keep terrorists out of our country. scotland are playing ireland at murrayfield while england aim later this afternoon.

and in half an hour, here on bbc news, click takes a look at the latest developments in "artificial intelligence" as scientists continue to strive for a machine to match human intelligence. good afternoon and welcome to bbc news. a court in america has ruled that donald trump's ban on travellers from seven mainly muslim nations is unconstitutional. a judge in seattle said it amounted to religious discrimination. the court temporarily lifted the ban and several major airlines say they will now allow passengers affected by it to fly to the united states. the government has pledged to overturn the ruling. within the last hour, the president took to his twitter account, describing thejudge‘s

ruling as "ridiculous". he wrote, "when a country is no longer able to say who can, and who cannot, come in and out — especially for reasons of safety and security — it's big trouble. " he added that it was "interesting that certain middle eastern countries agree with the ban", saying "they know if certain people are allowed in, it's death and destruction. the opinion of this so—called judge, which essentially takes law —enforcement away from our country, is ridiculous and will be overturned". catriona renton reports. it has been a week of confusion and protests outside the white house and inside airports. but the most significant opposition to donald trump's immigration ban came from judgejames robart in this seattle courtroom. i find that the court should and will grant the temporary restraining order. overruling president trump's executive order that he signed just eight days ago.

now people are free to travel once again into the united states. the challenge — that this violates a clause in the us constitution prohibiting the favouring of one religion over another was brought by the state of washington and later joined by minnesota. judge robart‘s decision effective immediately, effective now, puts a halt to president trump's unconstitutional and unlawful executive order. i want to repeat that — it puts a stop to it immediately. in the last week some passengers have still managed to enter the united states due to other state—wide legal challenges like here in boston. now, the us customs agency has told airlines, passengers from the seven mainly muslim countries who were barred, they can now fly. qatar airways, air france and lufthansa say they will begin boarding passengers immediately. the white house says it

will fight this court ruling. in a statement it said, "the department ofjustice intends to file an emergency stay of this outrageous and defend the executive order of the president". but then 15 minutes later toned that wording down removing "outrageous". the white house has said it will act to overturn this at the earliest possible time. but the confusion and protests seem set to continue.