SENIOR government aides are preparing to proscribe the Iranian Revolutionary Guard Corps by the end of the year.
The Sun understands that plans are being drawn up for a major crackdown on agents of Tehran covertly radicalising Brits on UK soil.
The IRGC is the principal supporter of Hamas and Hezbollah, both of which are proscribed in the UK.
Amid threats of all-out war in the Middle East, officials want to expedite tightening domestic terror laws to ban IRGC operatives from nurturing Islamist terrorism at home.
Current sanctions on Iran do not prevent state-linked organisations spreading jihadi propaganda or carrying out soft-power activities designed to radicalize British citizens.
At a secret meeting in No10 this month Sir Keir Starmer’s top fixer Morgan McSweeney allegedly told Jewish community leaders to expect a crackdown by Christmas.
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It came amid fury that the PM signed off a partial arms embargo on Israel while IRGC operatives continue running soft-power radicalisation missions in the UK.
Ahead of the July election Sir Keir vowed to designate the IRGC a terrorist organisation.
A Home Office source said that now Labour is in power, conversations about proscription can no longer be made public.
Kasra Aarabi, Director of IRGC Research at United Against Nuclear Iran, said: “The Islamic Revolutionary Guard Corps (IRGC) is the most antisemitic armed Islamist extremist organization in the world.
“The government needs to proscribe the IRGC as a matter of urgency.
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“The failure to proscribe the IRGC is putting British lives at risk, not least those from the British-Jewish community and British-Iranian diaspora —the two primary targets of IRGC terrorism in the UK.”