"My message is clear," Sajid Javid told the Times: "If you have supported terrorist organisations abroad I will not hesitate to prevent your return."

He added that if Shamima Begum, 19, did come home she could be prosecuted.

Ms Begum, who is pregnant, told the paper she had no regrets but wanted to have her baby in the UK.

"We must remember that those who left Britain to join Daesh were full of hate for our country," Mr Javid said.

"If you do manage to return you should be ready to be questioned, investigated and potentially prosecuted."

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