General election 2019: Exit poll explained
12 Dec 2019
BBC News
![General election 2019 Exit poll explained](/thumb/phpThumb.php?src=%2Fuploads%2Fnews%2F6%2F608%2F6%2F608602-general-election-2019-exit-poll-explained.jpg&w=750&hash=88c50927108d133bd8c7e17291c33199)
The exit poll will give us the first clear indication of the election result - but how does it work?