https://www.vox.com/policy-and-politics/2017/11/3/16602240/trump-twitter-account-disable-employee-last-day

A disgruntled worker disabled it for 11 minutes in the ultimate last day of work gesture.

It appears that a rogue Twitter employee who wanted to end their last day at work with a bang is behind the disappearance of President Donald Trump’s Twitter account for 11 attention-grabbing minutes on Thursday evening.