The revelation comes from court documents as the 59-year-old is launching an appeal claiming conditions in the Supermax prison in Colorado, where he is being held, breach his human rights.

Hamza also claims British spies were hacking his phone at the time raising questions as to whether the UK was withholding information from America.

The court documents, seen by The Sunday Times, also reveal Hamza was an agent for MI5 and Special Branch, going by the code name Damson Berry.

Ssomething big will happen very soon

Almost 3,000 people died after al-Qaeda terrorists flew hijacked planes into the World Trade Centre twin towers in New York and the Pentagon in September 2001.

The allegations come after a black and white photo of the hate preacher taken within the prison emerged recently.

The snap shows him without his hooks, looking scrawny with white hair and beard.

The convicted hate preacher has been in solitary confinement for two years and is appealing to be moved to a British prison. Abu Hamza claims he was warned about 9/11

He claims his conditions at the Supermax prison breach his human rights under Article 3 of the European Convention, which prevents from “inhuman and degrading treatment”.

After his conviction of 11 charges, he was put into solitary confinement and only allowed out of his cell for one hour each day.

Even when he gets fresh air he is kept in a cage away from other inmates.

Before he was extradited to the US in 2012, he was locked up in Belmarsh prison in south east London. Federal Bureau of Prisons

Abu Hamza looks gaunt in a new image

There he received frequent medical visits as he is a double amputee, blind in one eye and suffers from diabetes, psoriasis and a condition that means he sweats excessively.

However, he does not get the same treatment in Colorado.

The document claims: “The stumps in both arms are subject to regular outbreaks of infections, which have been increasing in severity.”

ADX Florence in Colorado holds 410 male inmates deemed too dangerous to be in one of the country’s high security jails. Hamza has been sentenced to life in prison without any possibility of parole 1 of 6

In 2004, Hamza was arrested by British police after the US requested he be extradited to face charges. He was later charged by British authorities with sixteen offences for inciting violence and racial hatred

Boston Marathon bomber Dzhokhar Tsarnaev is also held in the Supermax.

In May 2014, Hamza was convicted of all 11 charges on terrorism offences at Manhattan’s Federal Court and sentenced to life imprisonment without any possibility of parole in January 2015. He wants to serve the remainder of his sentence in England.
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