Both Turkey's bar association and global election monitors from the Organisation for Security and Cooperation in Europe (OSCE) said that the illegal move may have swung the knife-edge vote, which will give Mr Erdogan the power to appoint and fire ministers, name half the members of the country's highest judicial body, hold the leadership of a political party while in office, and possibly stay in power until 2029.
"We demand the cancellation of this referendum", Tezcan said. But the global electoral monitor said that while the referendum's technical processes were well administered, there were key issues related to media coverage and the circumstances under which the vote occurred, such as Turkey's ongoing state of emergency enacted after a failed coup d'etat attempt past year.
That drew a harsh rebuke from Erdogan and criticism from Prime Minister Binali Yildirim.
United Airlines boss: no one will be fired for plane 'dragging' incident
Even in normal times, airlines closely - even daily - scrutinize numbers such as advance sales and occupancy levels on planes. Mr Munoz declined to address that or other possible changes until the airline finishes a review by April 30.
But the tight result of a highly charged campaign laid bare divisions, while European observers and the head of Turkey's bar associations union said a decision to count unstamped votes broke electoral law.
"The people's will has been reflected at the ballot box, and the debate is over", Mr Yildirim told his parliamentary group. Those included the fact that numerous HDP leaders are still detained over alleged links to the Kurdistan Worker's Party (PKK). "It is wrong to speak after the people have spoken".
Turkish voters went to the polls on Sunday to decide whether to approve changes to the country's constitution that would usher in an executive presidency. He accused the board of "changing the rules midgame". Rights organizations are pointing to irregularities in the election process including the accepting of non-validated ballots half way through the election.
UN condemns North Korea missile launch after Russia, US spar over words
Allowing this dictator to have that kind of power is not something that civilised nations can allow to happen. For its part, China says the system's powerful radar is a threat to its security.
Erdogan lashed back at the worldwide monitors' initial findings, telling them to "know their place", Reuters reported.
Turkey's state-run news agency says 19 people were detained in Istanbul for allegedly using the results of a constitutional referendum as an "excuse" to organize "unauthorized demonstrations".
The new system takes effect at the next election, now slated for November 2019. However, numerous changes are expected to be implemented much sooner.
Serena Williams is pregnant with her first child
Another former No. 1 and major champion, Victoria Azarenka, has announced she'll be getting back on tour soon after having a baby. Tennis star Serena Williams is pregnant! "20 weeks", the text over the photo , which she has since removed from her story, read.
But he said the AKP would not hold a party congress until 2018, indicating Erdogan would not officially become its leader until then.