Assange will appear by video link at a Berlin conference at 11am (Berlin time) to mark the tenth anniversary of WikiLeaks today. The 45-year-old was scheduled to make a statement from the Ecuadorian embassy in London where he has been living for more than four years. But the appearance was cancelled over alleged “security concerns”.

WIREIMAGE/ AFP GETTY Julian Assange supporters have predicted an October surprise for Hillary Clinton

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Hillary Clinton is done. #WikiLeaks Roger Stone

Sources close to the Berlin event told Heat Street, Assange may release documents about the US Democratic Party. Assange has long threatened to release documents on Mrs Clinton and last month repeated his claim that WikiLeaks has damaging information on the presidential candidate. He suggested the whistleblowing site WikiLeaks may release teasers, but no information has been published.

AFP GETTY Julian Assange has lived in the Ecuadorian embassy in London for four years

Mrs Clinton’s opponents have hoped the document dump would be an October surprise to destroy the Democrat’s campaign ahead of the November election. But there is no evidence the information exists. Donald Trump supporter and political consultant Roger Stone predicted the revelations would end Mrs Clinton’s campaign. On Twitter, Mr Stone said: “Hillary Clinton is done. #WikiLeaks”.

GETTY Roger Stone predicted the revelations would end Mrs Clinton’s campaign

TWITTER Roger Stone said "Wednesday, Hillary Clinton is done" on Twitter

Mrs Clinton is currently ahead in the polls after receiving a boost of support in the wake of the first televised election debate. A CNN poll of viewers found that 62 per cent believed that Mrs Clinton won the debate but only 27 per cent thought that Mr Trump emerged victorious. The latest poll average, from Real Clear Politics, put the former First Lady at 47.5 per cent and Mr Trump at 45 per cent on Sunday October 2. Assange and his supporters have repeatedly claimed the 45-year-old’s safety is at risk because of the threat he allegedly presents to Mrs Clinton’s campaign.

AFP GETTY Hillary Clinton is currently ahead in the polls

US Elections 2016 in pictures Tue, November 8, 2016 The top photos following the campaign journey of Hillary Clinton and Donald Trump in the US Elections 2016 Play slideshow Getty 1 of 57 US Elections 2016 in pictures