Today, Facebook has gone down for millions of users around the world.
In the United Kingdom, Facebook went around 8:30pm and remained down for 45 minutes.

Thousands of people have taken to another social media website, Twitter to share their views.
Currently Facebook haven’t said anything about why its gone down.
Facebook is now back online, 3rd September, 9:10pm [UK Time Zone].
We will update this article if more news comes in.