Shamima Begum initially challenged the removal of her British citizenship in the Supreme Court, but ultimately failed.

Last year, Ms Begum lost her first appeal at the Special Immigration Appeals Commission (SIAC) against a decision to revoke her citizenship on national security grounds, after traveling to Syria as a 15-year-old in a Syrian refugee camp. be found. -Old 2015.

Earlier this year, three Court of Appeal judges unanimously rejected her bid to overturn the SIAC ruling.

On Monday, a justice spokesman confirmed Ms Begum had asked the Court of Appeal for permission to take her case to the Supreme Court but had been refused.

Ms Begum can now directly petition the Supreme Court to allow the UK Supreme Court to hear her case.

Chief Justice Baroness Carr dismissed the Court of Appeal challenge in February, saying: “It can be said that the judgment in Ms Begum’s case was harsh.

“It could also be argued that Ms Begum was the source of her own misfortune but this court does not agree or disagree with either view.

“The court’s sole task is to assess whether the deprivation decision is unlawful.

“As this was not the case, Ms Begum’s appeal was dismissed.”

Following the decision, Ms Begum’s lawyer Daniel Furner said: “I would like to say that I am sorry to Shamima and her family that after five years of fighting she still has no Justice in the UK courts and to assure her and to the government that we will not stop fighting until she gets justice and comes home safely.”