David Cameron last night fell on his sword, announcing there will be a staged exit from Number 10 and a new prime minister by October.

Scotland's first minister Nicola Sturgeon said a second vote in just two years on whether Scotland should leave the United Kingdom in now "highly likely".

COMMENT: Despite the views of David Cameron, a majority of MPs, the UK business community, Britain's voters have defied them all to return a Leave vote.

David Cameron had supreme confidence in his leadership when he called the Brexit vote. He over-estimated, writes Audrey Young.

European stock markets dived when they opened tonight after Brexit vote.

More than £100billion was wiped off the FTSE 100 - the biggest fall in UK history - as Britain's decision to leave the EU caused panic across the globe.

Global financial markets were thrown into turmoil yesterday after Britons voted to exit the European Union (EU).

COMMENT: If ever John Key was in a position to help his political "bestie" this is it.

COMMENT: The political fallout will be equally dramatic as Britain and the EU work through whatever plan they have for the break-up.

Britain has voted clearly in favour of leaving the EU, but that is just the start of a very long process.

No matter what Britain decides, leaders say ambitions to build a united continent may be on hold after the bitter campaign exposed deeper troubles.

If the polls are to be believed, the vote could be very close. Here's why that is such a worrying prospect.

The UK has voted to leave the European Union by a majority 52 per cent.

Germany's Bild newspaper has played on friendly stereotypes in a last-ditch plea to Britons to stay in the European Union.

COMMENT: If the Brexodus does transpire, you know what we have to do. Build a wall. And make them pay for it, writes Toby Manhire.

WATCH: If the UK votes to leave the EU it faces a recession, University of Auckland professor says.

Markets in London are bracing for what could be a wild ride.

New Zealand politicians are split on the prospect of Britain leaving the EU.

Given that London is the biggest gateway for international travel to Europe, a UK separation could create a storm of regulatory headaches, from immigration.

Britain leaving the European Union is the best chance to reverse immigration restrictions on New Zealanders, NZ First leader Winston Peters says.

The EU has overreached its remit in many respects, yet the world is better when Europe is together. Britain should stay.

Eddie Izzard, one of Britain's most famous comedians, is on a manic, multi-city tour to save the United Kingdom from becoming an isolationist state.

Analysts expect volatility until result of referendum is known at week's end.

COMMENT: The "Brexit" vote is the biggest event for financials markets we've seen in a while.

New Zealand investors should brace themselves for a week of sharemarket volatility as Britain prepares to vote on whether it will leave the European Union.

COMMENT: This morning I got up, meditated for five minutes, staring fixedly at a lemon, and then thought "I know, I'll write a column about Brexit".

As it looks plausible that the Brexit vote could win on Friday, it's worth considering the economic implications, writes Liam Dan.

In just four days, more than £98 billion has been wiped off the value of Britain's biggest companies.