The news adds another layer of intrigue to an extraordinary campaign.
"We can confirm Ecuador cut off Assange's internet access Saturday, 5pm GMT, shortly after publication of Clinton's Goldman Sachs (speeches)," the group said in a message posted to Twitter late yesterday.
With both WikiLeaks and Ecuadorean officials refusing to say much more about the incident, outsiders were left to guess at what was happening behind closed doors at the embassy suite at No. 3 Hans Crescent, a stucco-fronted building which Assange has called home for more than four years.
WikiLeaks said unspecified "contingency plans" were in place and its Twitter account was still active today.
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Yesterday it released the latest tranche of emails from senior Clinton ally John Podesta, suggesting that, for now at least, the group's ability to publish has not been compromised.
The disclosure was the 10th installation in a series of leaks which have captured the workings of Clinton's inner circle and included excerpts of her well-compensated speeches to investment bank Goldman Sachs.
His office later released a terse statement in response to "the speculation of the last few hours" reaffirming Assange's asylum status and saying that "his protection by the Ecuadorean state will continue while the circumstances that led to the granting of asylum remain."
Assange fled to the Ecuadorean Embassy on June 19, 2012, after a drawn-out and ultimately unsuccessful legal battle to avoid extradition to Sweden, where he remains wanted over an allegation of rape. British authorities have made clear they would arrest him if he tried to leave, and London's Metropolitan Police used to maintain a visible presence outside the building.
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