Outrage as more than 400 Isis jihadis return to Britain and AVOID facing justice - 'Need to be locked up!'

Isis, also known as Daesh or IS, committed widespread campaigns of terror, murder, and rape in lands across Syria and Iraq.

Now, a new report has warned that none of the supporters of the group who had made their way back to the UK had been successfully prosecuted.

Head of the Joint Committee on Human Rights Lord Alton said: "We know that British nationals committed the most horrendous crimes in Iraq and Syria under the Daesh [IS] regime and we have a duty to see them brought to justice.

"We want to see more action from the Government in identifying the perpetrators, some of whom may have returned to Britain, others likely detained in camps in Syria.

"To date, no Daesh fighters have been successfully prosecuted for international crimes in the UK and we find this unacceptable."

He continued: "We want to see more action from the Government in identifying the perpetrators, some of whom may have returned to Britain, others likely detained in camps in Syria."

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Responding to the report, shadow justice secretary Robert Jenrick told The Sun: "Terrorists in the Middle East are not welcome in the UK. They have forfeited their right to live here with their appalling crimes.

"Those that have made it back from Isis need to be locked up and kept away from the public."

A government spokesman said: “The Government’s priority remains maintaining the safety and security of the UK and we are committed to achieving accountability for all victims of Daesh’s crimes.

“We will consider the findings of this report.”

The report has reignited discussion about the British state's powers to strip people of their citizenship due to links with IS.

The most famous example of the state's use of this power is Shamima Begum, who left Britain to join the group at the age of 15 in 2015.

Begum was stripped of her British citizenship in 2019 over national security concerns in a high profile case.

The 25-year-old is now looking to take her case to the European Court of Human Rights after the Supreme Court blocked yet another attempt for her to return to the UK.