Massive demonstrations broke out on Sunday night as it emerged the Turkish President secured more than 50 per cent of the vote in the referendum on constitutional reforms which could see Mr Erdogan turn the country into a “one-man regime”.
Calling on Turks to respect the result of the vote, Mr Erdogan said: "Today… Turkey has taken a historic decision. With the people, we have realised the most important reform in our history."
He wrote on Facebook: “Turkey as a future member of the EU? After today, even the biggest [promoters] of Turkey within the EU have to realise [that’s over].
The EU has been urged to stop membership talks with Turkey
“So maybe it’s true what they say, that nothing is so bad it’s not good for something.”
Danish MEP Jeppe Kofod branded the result a scandal, saying it made a mockery of democracy and could see Mr Erdogan remain president until 2029.
He tweeted: “Scandal! A parody of a referendum when journalists are in prison and you’re abolishing democracy with a ‘Yes’!”
President of the European Commission Jean-Claude Juncker released a joint statement from Brussels where the bloc said it would assess the results in connection Turkey’s obligations as a possible future member of the EU.
A parody of a referendum
It said: “We take note of the reported results of the referendum in Turkey on the amendments to the Constitution, adopted by the Turkish Grand National Assembly on 21 January 2017.
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“We are awaiting the assessment of the OSCE/ODIHR International Observation Mission, also with regard to alleged irregularities.
“The constitutional amendments, and especially their practical implementation, will be assessed in light of Turkey's obligations as a European Union candidate country and as a member of the Council of Europe.
“We encourage Turkey to address the Council of Europe's concerns and recommendations, including with regards to the State of Emergency.
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“In view of the close referendum result and the far-reaching implications of the constitutional amendments, we also call on the Turkish authorities to seek the broadest possible national consensus in their implementation."
Speaking at a rally before the polling stations opened, Mr Erdogan took a swipe at the bloc as he branded the European project as "sick and deviant".
He told the cheering crowd: "April 16 will be a turning point for Turkey's political history. Every vote you cast tomorrow will be a cornerstone of our revival.
"There are only hours left now. Call all your friends, family members, acquaintances, and head to the polls."