The two leaders met before the start of the trilateral summit between the presidents of Turkey, Russia, and Iran at the Rus Sanatorium in the coastal Russian city of Sochi.
Istanbul's football club Besiktas came from behind to clinch a place in the Champions League last 16 by drawing with visiting Porto 1-1.
A court in the Turkish capital asks the Justice Ministry to file an extradition request for Adil Oksuz, said to be seeking asylum in Germany.
Nuclear energy will reduce Turkey's dependency on foreign energy sources and fuel the nation's growth, says President Erdogan.
A retired Turkish army major returned his NATO certificate and medal after Ankara reacted strongly to the recent NATO drill incident in Norway.
At the currency markets opening on Tuesday, the US Dollar/Turkish lira exchange rate rose to 3.9490, compared with Monday's close at 3.9180. Turkey's Central Bank makes liquidity arrangements on the interbank market to suppress fluctuations.
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