ITV News analysis suggests there is an 80% probability of a Leave victory in the EU referendum.
"This is a probability - not a certainty," our elections analyst Professor Jane Green.
She added that the areas still to declare were expected to perform well for the Remain camp - which "needs to do much better".
"Whatever happens, it's definitely going down to the wire."
A petition calling for a second EU referendum is proving so popular that the website has crashed.
People are invited to share alleged racism or xenophobia stories after Brexit vote to highlight "need for a plan to tackle" social effects.
Time for Project Let's-Make-the-Best-of-it.