Julian Assange, the founder of whistleblowing platform WikiLeaks, has promised another batch of 'significant' documents relating to Democratic presidential candidate Hillary Clinton will be released before the US election to the White House on 8 November.

"We are working around the clock, we have received quite a lot of material," he said during an interview with Fox News via satellite. When asked if the disclosures on Hillary Clinton will be a 'game-changer', Assange said: "I think it's significant. You know, it depends on how it catches fire in the public and in the media."

In July, WikiLeaks released thousands of emails reportedly hacked from the Democratic National Committee (DNC) which resulted in a number of high-profile resignations including the group's chairwoman Debbie Wasserman Schultz.

The source of the hacked data remains unknown, however one mysterious figure using the pseudonym Guccifer 2.0 claimed to have leaked the DNC data alongside stolen documents from a second group, the Democratic Congressional Campaign Committee (DCCC). Many believe Guccifer 2.0 to be a propaganda tool of Russian intelligence.

When asked about how the next batch of leaks on the Clinton campaign could compare with those released in July, Assange said: "[WikiLeaks has] thousands of pages of material. I don't want to give the game away, but it's a variety of documents, from different types of institutions that are associated with the election campaign, some quite unexpected angles, some quite interesting, some even entertaining."

Some of the most recent WikiLeaks releases have been met with criticism. One investigation carried out by AP uncovered evidence the whistleblowing group had published names of teenage rape victims and homosexual citizens of Saudi Arabia – the latter a charge punishable by death in the country.

While not addressing this directly, Assange did claim in the interview that WikiLeaks has a "perfect 10-year record of never getting it wrong" on its released material. On its Twitter page, the organisation distanced itself from the damning assertions by claiming the data was from the Saudi government and "not leaked by us".

The WikiLeaks founder has been residing in the Ecuadorean embassy in London for more than four years and is currently embroiled in legal proceedings with Swedish courts over sexual assault allegations – which he denies. On 4 February this year, a UN panel ruled he was being "arbitrarily detained", however the UK government refused to acknowledge the decision.

The FBI, which is investigating the various hacks and leaks from multiple Democratic Party-related groups and politicians, has been forced to broaden the scope of its probe after it emerged the hackers' campaign targeted 'more than 100' political figures. Meanwhile, Russia has ridiculed any notions of its involvement in the hacks as "absurd".