Wikileaks' Julian Assange is to be questioned at the Ecuadorian embassy where he has hidden out for more than three years over allegations of sexual assault. Announcing a breakthrough in the case, the country's president said a deal had been struck with Swedish prosecutors that will see the founder of the whistleblowing website quizzed about the criminal claims, without leaving the building.He is wanted for questioning in Sweden over allegations of sexual assault against two women, which he has always denied. The Australian claimed if he went to Sweden he could be handed over the US authorities for prosecution over WikiLeaks disclosures.