Here is why the exit poll is so important (I posted this in the lead up yesterday, hope it helped!):
In the last two elections, the exit polls called the results almost exactly
TThat's why cable has had such a big jump.
There is doubt on the margin of the apparent Tory win and the poll will be questioned.
The results of the exit poll again:
CON - 316
LAB - 239
LDEM - 10
UKIP - 2
SNP - 58
Updated price action - Cable has jumped immediately on the exit poll seat projection:
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Here is a guide to the times to watch as the night progresses, and when to expect more definitive results
That's a guide to how the election will be decided.
If you want more detail, perhaps who is running second in Great Upper Sodsbury, or something like that, more here