WikiLeaks founder Julian Assange is seen on the balcony of the Ecuadoran Embassy in London, U.K., on May 19, 2017. (Reuters/Peter Nicholls)
WikiLeaks founder Julian Assange is seen on the balcony of the Ecuadoran Embassy in London, U.K., on May 19, 2017. (Reuters/Peter Nicholls)

US has filed secret charges against Julian Assange, reports say