Hakan Bayrakçı, the president of surveying company SONAR, admitted late Wednesday that he manipulated pre-election public polls due to intimidation and fear of main opposition Republican People's Party (CHP) officials and supporters.

"I knew President [Recep Tayyip] Erdoğan would win the election. But if I had said that, the CHP supporters would have crucified me," Bayrakçı said on a TV program.

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