Last month, the High Court dismissed Dich’s attempt to remain in Britain, upholding the Home Secretary’s deportation order

A mother who participated in Britain’s first all-female terrorist conspiracy alongside her two daughters now faces removal from the country following an unsuccessful legal challenge.

French national Mina Dich, 51, received a prison sentence in 2018 after admitting to assisting her daughter Rizlaine Boular in planning an assault targeting police officers in the capital.

Her younger daughter, Safaa Boular, who was 18 at the time, faced conviction for conspiring to launch a grenade and firearm attack at the British Museum.

Both sisters received life imprisonment.

Last month, the High Court dismissed Dich’s attempt to remain in Britain, upholding the Home Secretary’s deportation order, The Sun reported.

Her legal representatives contended that she had resided in the United Kingdom for decades and that deportation would undermine efforts at rehabilitation.

The presiding judge rejected these arguments, ruling the Home Secretary had thoroughly examined all relevant factors before proceeding with the removal order.

Scotland Yard’s Deputy Assistant Commissioner Dean Haydon stated, following the original convictions: “All three women were filled with hate and toxic ideology and were determined to carry out a terrorist attack.

Mina Dich, a involved in UK’s first all-female terror plot, is set to be deported

“Had they been successful, it could well have resulted in people being killed or seriously injured.”

The plot centred on an elaborate scheme discussed in coded telephone conversations that referenced Alice in Wonderland, with Rizlaine cast as the Mad Hatter planning a “tea party”.

Dich responded to the themed discussion by saying: “That will be fun.”

Rizlaine Boular, then 22, intended to stab members of the public near the Palace of Westminster.

Last month, the High Court dismissed Dich’s attempt to remain in Britain, upholding the Home Secretary’s deportation order

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The act was intended to cause widespread casualties and panic, the Old Bailey heard during the 2018 trial.

Dich transported her daughter through the area on a scouting mission to identify potential targets, the Old Bailey heard during sentencing proceedings.

The pair subsequently visited a Sainsbury’s store to purchase knives for the planned assault.

She inherited the plot from her younger sister Safaa, who was already in custody for attempting to become a jihadi bride in Syria.

Counter-terrorism officers and MI5 intercepted the plotters through proactive surveillance before the attack could be executed.

Judge Mark Dennis QC told Rizlaine she had planned a “wicked act” stemming from warped beliefs.

He added that people walking the streets could have had their lives “irreparably damaged or lost” without intervention by the police and security services.

Scotland Yard’s Deputy Assistant Commissioner Dean Haydon previously stated that all three women “were filled with hate and toxic ideology and were determined to carry out a terrorist attack.”