https://www.theguardian.com/technology/2017/nov/30/trump-twitter-account-deactivated-bahtiyar-duysak

Bahtiyar Duysak of Germany tells CNN he made ‘a mistake’ in temporarily deactivating the president’s account, but the details remain murky

A German man who says he “admires” Donald Trump has claimed responsibility for the deactivation of the president’s Twitter account for 11 minutes on 2 November, though questions remain about how and why he did it.