Julian Assange Assassination Concerns?

I thought something was funny when I saw this tweet from the Washington Examiner:

Report: WikiLeaks founder won't make announcement because of "security concerns" https://t.co/kPOJ7XTxAH pic.twitter.com/b2qSMAGlt2

— Washington Examiner (@dcexaminer) October 2, 2016

Since when has #WikiLeaks been worried about "security concerns"? Something's funny about this. https://t.co/FRBZTBuQlk

— Donald Douglas (@AmPowerBlog) October 2, 2016

So, it turns out the WikiLeaks folks were worried about an assassination attempt in Julian Assange? Well, sounds like a significant security concern alright. But how legit?

At Heat Street:

UPDATE: Julian Assange of Wikileaks To Appear by Video Tomorrow Due to Apparent Assassination Concerns https://t.co/6SFiUQQa77

— Deplorable Observer (@PrivateName11) October 4, 2016