LABOUR chief Jeremy Corbyn had an “active supply of information on British intelligence services” for Soviet-backed spies, new archive files allege.

The papers suggest the then backbench MP was one of the top contacts of Czech State Security (StB) agents.

3 New files allege Jeremy Corbyn had an 'active supply' of information on British secret service for Soviet-backed spies Credit: Alamy

Mr Corbyn was named second in a list of more than 120 people profiled in a final report of a Cold War spy’s work in Britain.

Czech Embassy staffer Lieutenant Jan Dymic was kicked out of the UK in June 1989 for spying.

Around a fifth of the contacts listed in the report were codenamed as sources, including Mr Corbyn as “COB”.

Other MPs named are only deemed to be suitable for “further evaluation”.

3 Corbyn was named second in a list of more than 120 people profiled in a final report of a Cold War spy’s work in Britain Credit: Czech State Security Archive

A final record, written in the StB’s HQ in Prague in June 1989, read: “Jeremy CORBYN, Labour MP of the House of Commons of the British Parliament, contact initiated 25.11.1986.

“Followed up to the degree of RS (person of interest) ‘COB’. He has an active supply of information on British intelligence services.”

Mr Corbyn met Lt Dymic on at least four occasions between November 1986 and September 1988 but said he believed the spy was only a “diplomat”.

Files report Mr Corbyn discussed people linked to “anti-communist agencies” — believed to be MI5 and M16 — and warned Czech agents of British intelligence actions.

3 Around a fifth of the contacts listed in the report were codenamed as sources, including Mr Corbyn as 'COB' Credit: News Group Newspapers Ltd

He was also described as handing communist agents a newspaper article about an MI5 operation against an East German spy.

Svetlana Ptacnikova, of the Czech intelligence archives in Prague, said: “We don’t have any documents which state that Jeremy Corbyn was a paid informant, but we can’t be sure.”

Lt Dymic, now 64, alleges that some Labour MPs, including Mr Corbyn and Shadow Chancellor John McDonnell, were paid cash to provide information.

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It also emerged that the powerful Commons Foreign Affairs committee is intending to call Mr Sarkocy to give evidence about his meetings with Mr Corbyn.

Tory chair of the committee Tom Tugendhat said the former Czech spy could be asked to come to Parliament as as part of his inquiry into current Russian interference in Western elections.

He told the Daily Telegraph: “We are planning to look at how nation states undermine democracy and the rule of law.

“It is Russia and other countries as well that are trying to do it. While we are doing that it may be worth asking people who have actually tried to do this in the past to tell us how they did it.”

Meanwhile it was also claimed that Mr Sarkocy repeatedly told his bosses in the 1980s that Mr Corbyn was a useful source.

A memo written by the former spy - obtained by the Daily Mail last night - described the then backbench Labour MP as "the right person for fulling the task and giving information".

The pair vehemently deny the claims.

A spokesman for Mr Corbyn, 68, has previously said: “The claim that Jeremy Corbyn was an agent, asset or informer for any intelligence agency is entirely false and a ridiculous smear.

“Jeremy neither had nor offered any privileged information to this or any other diplomat.”

Mrs May yesterday called for Mr Corbyn to come clean and be “open and transparent” about his past.

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