It's just hours until the British public go to the polls in the EU Referendum and Channel 4 says UKIP leader Nigel Farage has pulled out of its debate tonight.

It's understood he's cited "family reasons"

UKIP apparently offered up their spokesperson on immigration - Stephen Woolf - but the broadcaster declined.

Meanwhile, Boris Johnson's urged 'leave' supporters to 'drive hard for the line', with just hours of campaigning left ahead of tomorrow's British EU referendum.

He's been touring the country seeking last-ditch votes.

British Prime Minister David Cameron's been doing the same for the 'remain' campaign.

In a speech in Birmingham he's warned the UK' economy will be weaker if they decide to leave