HATE preacher Anjem Choudary issued a rallying cry to supporters just hours before Sir David Amess' murder.

       The radical cleric called on fanatics to join a "Twitter storm" in support of freeing fellow extremist Abu Hamza from jail.

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       Anjem Choudary had issued a rallying cry to supporters before Sir David Amess' death 6

       The Tory MP was stabbed to death during a constituency surgery in Leigh-on-Sea, Essex, on Friday

       Hook-handed Hamza is currently being held in a maximum security prison in the US after being convicted over his involvement in a terror attack.

       The Finsbury Park mosque imam also tried to set up jihad training camp in Oregon.

       Choudary made the vile plea on the encrypted Telegram network as he urged followers to flood Twitter using the hashtag #FreeAbuHamzaAlMisri.

       He wrote: “Sheikh Abu Hamza is a renowned Imam, lecturer and Muslim activist who has been seriously tortured by the American regime for the last 9 years.

       “If it were not enough that his extradition and incarceration was based upon evidence extracted through torture itself, he has been placed in the notorious ADX Florence which experts say is unsuitable for human beings, let alone for a double amputee disabled man, with various other serious health conditions.

       "The Twitter storm tonight is to raise awareness about the situation of Sheikh Abu Hamza and his family."

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       He accompanied his plea with a black and white sketch of a prison cell - claiming the "British regime cruelly extradited him".

       It came the evening before Sir David was stabbed to death at a constituency surgery in Leigh-on-Sea, Essex, on Friday.

       Suspect Ali Harbi Ali is understood to have been radicalised after watching YouTube videos of Choudary.

       The convicted hate preacher is considered one of the most influential and dangerous radicalisers in the UK.

       His followers included Michael Adebolajo, who murdered Fusilier Lee Rigby in South London in 2013.

       TERROR SUSPECT

       Choudary was jailed for five-and-a-half years in 2016 after being convicted of inviting support for Islamic State.

       But the bile-spewing cleric was released in 2018 after serving just half his sentence.

       Murder suspect Ali was previously referred to the Government’s Prevent anti-terror scheme but investigators are still piecing together how and when he became radicalised.

       It's believed he was referred to the scheme as long ago as seven years ago by a teacher who believed him to be an extremist risk.

       One friend who witnessed his dramatic change told The Sun: “Choudary was someone he became utterly obsessed with.”

       Ali is still being held in custody under the Terrorism Act and officers have until Friday to question him.

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       Ali Harbi Ali was radicalised after watching YouTube videos of hate preacher Anjem Choudary 6

       Sir David with his wife Julie at daughter Alexandra's wedding with his other girls as bridesmaids in August 6

       The MP was murdered on Friday Credit: PA 6

       Ali Harbi Ali pictured on his way to the train station on the morning of the attack

       Moment Sir David Amess murder suspect seen walking to train station on morning of attack that killed MP