Wikileaks has announced a planned press conference has come under cyber attack.

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Julian Assange was about to release Wikileaks' latest set of confidential documents at an online press conference from 1pm GMT.

But, the organisation has just tweeted that Mr Assange's social media has come "under attack" and the event will be rescheduled.

One tweet said: "Press conf under attack: Facebook+Periscope video used by WikiLeaks' editor Julian Assange have been attacked. Activating contingency."

A subsequent one added: "NOTICE: As Mr. Assange's Perscipe+Facebook video stream links are under attack his video press conference will be rescheduled."