WikiLeaks founder Julian Assange has been barred from using the internet at the Ecuadoran Embassy in London for supposedly interfering in other countries' affairs. <br /> The Ecuadorian government says he violated an agreement with the embassy, where he has been holed up for nearly six years, to not comment on international issues. <br /> It added his social media activity put Ecuador's good relations with the UK, EU and other nations at risk. <br />Assange recently expressed strong support for separatist leaders in Spain's Catalonia region.<br />He also was engaged in a heated clash of words with a British minister on Twitter, questioning London's claim that Russia was behind the poisoning of a former Russian spy in Salisbury. <br />