The first big moment on election night in the UK, after polls close, happens at 10pm sharp. This is when the exit poll is released and the media commentary floodgates are reopened after a day of media silence,

The first indication of results on British election nights has earned an unusually high reputation. Those behind it say that’s because of a big decision 20 years ago.

Exit poll suggests Labour wins huge majority in UK election, riding wave of frustration with Conservatives’ 14-year rule