The crowd outside the Royal Courts, where a SAS sniper had his sentence reduced to a suspended 12 months, is chanting: "There's only one Danny Nightingale".
More top news
The outage struck Hartfield-Jackson Atlanta International Airport at around 1pm local time, stopping all outgoing flights.
It will be a chilly day for many parts with the highest temperatures, about 10 Celsius (50F) in the far northwest.
The social site has been overhauling many of its policies in recent weeks following repeated criticism over how it handles abusive content.