UKIP reactionpublished at 20:39
UK eurosceptic leader Nigel Farage welcomes Greek 'No' vote
Greek voters have decisively rejected the terms of an international bailout in a referendum
The final count is 38.7% "Yes" and 61.3% "No"
Turnout in the referendum was 62.5%
A summit of eurozone heads of states has been called for Tuesday
All times BST (GMT+1)
James Reevell, Bernadette McCague, Roland Hughes, Paul Kirby, Camila Ruz, Claudia Allen and Emma Harrison
UK eurosceptic leader Nigel Farage welcomes Greek 'No' vote
AFP quotes the German government: Greek PM Tsipras has "burned the final bridges" between Greece and Europe.
Greece's finance minister Yanis Varoufakis has just held a press conference - he says he hopes to re-start negotiations with creditors.
No-one from the German government was to hold a press conference on Sunday, German broadcasters said.
But the deputy chancellor, Sigmar Gabriel, has now been quoted by AFP as saying that any negotiations with Greece were "difficult to imagine".
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"You can't fail to understand" that this means "a step towards an exit from the eurozone," Russia's deputy economy minister Alexei Likhachev was quoted as saying by state news agency TASS.
Reuters have been told by a Greek government official that Alexis Tsipras has had a telephone conversation with the French president Francois Hollande.
Podemos leader welcomes Greek 'No'
Pablo Iglesias, who heads the popular anti-austerity party in Spain, tweets: "'Today in Greece, democracy has won."
With general elections in Spain in the autumn, this result could be bad news for the mainstream parties that signed up to eurozone austerity conditions.
BBC's Economics Editor Robert Peston
Foreign Minister Paolo Gentiloni
A direct response from a senior Italian minister, calling for new talks:
"Now it is right to start trying for an agreement again. But there is no escape from the Greek labyrinth with a Europe that is weak and without growth."
Half the votes have been counted
And it looks as if the Greek government has won the day with a projected 61% backing a 'No' vote.
What this means is not yet clear, but the Greek government says it has a clear mandate to negotiate a solution with the eurozone. The government wants to reopen the banks on Tuesday but without a deal that looks difficult.
German Chancellor Angela Merkel will travel to Paris for talks with France's President Francois Hollande on Monday evening. But a source has told Reuters there are no immediate plans for a eurozone meeting.
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The BBC's Berlin correspondent Jenny Hill says:
Quote MessageEven Angela Merkel, it is reported, has privately told MPs that, as far as she is concerned, Alexis Tsipras has simply driven his country into the wall - and that's something you hear quite a bit from politicians here. They say this Greek government has simply destroyed all trust and you wonder, under those circumstances, how negotiations can ever start again.
US economist Jeffrey Sachs has been calling for Greece's debts to be cut sharply to keep it within the eurozone. Now he thinks the head of the ECB has to help re-open Greek banks.