Erdogan declares victory

Turkey's Erdogan thanked the voters after the results showed him winning the runoff vote.

Both state and opposition affiliated media outlets put him in the lead with 97% of the vote counted.  

The state Anadolu news agency showed Erdogan at 52.1%, and his challenger, Kemal Kilicdaroglu, at 47.9%. 

The ANKA news agency, close to the opposition, put Erdogan's lead at 51.9%, with Kilicdaroglu garnering 48.1% of the vote. 

Meanwhile, the country's official electoral authority has tallied 54.6% of the votes so far, the agency's chief Ahmet Yener said. Erdogan is leading with 54.47% of the votes, while Kiliçdaroglu has 45.53%, Yener added. 

Erdogan widens the gap 

With nearly 90% of ballots counted, unofficial results seem to be putting Erdogan ahead of his rival. The state Anadolu news agency showed Erdogan leading with 53%, while his challenger, Kemal Kilicdaroglu, came in at 47%. 

The ANKA news agency, which is closer to the opposition, had Erdogan leading by 51% to Kilicdaroglu's at 49%. 

The Turkish electoral authority chief Ahmet Yener called for patience, as some 25% of the data has been entered so far. Yener urged people to wait for the final results.