An unidentified intruder attempted to scale the wall of the Ecuadorian embassy in London that houses WikiLeaks founder Julian Assange.

The incident happened at 2:47 a.m. local time, according to a message put by WikiLeaks on Twitter calling the suspect a "cat burglar." The male intruder apparently fled after being noticed by security.

Assange has been staying in the embassy since 2012, where he has been avoiding extradition to Sweden on sexual assault charges. He's maintained his innocence and suggested the charges are politically motivated, and could serve as a way for Western nations to retaliate against him for his role in leaking government secrets.

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Twitter users were quick to suggest the intruder had been sent by Hillary Clinton, with one tweeting a picture of the Democratic presidential candidate clad as the Grim Reaper. WikiLeaks has been active this year in leaking emails from the Democratic National Committee and affiliated organizations, including congressional Democrats.