The senior U.S. diplomat in Turkey said on April 13 that the United States expected Turkey and Armenia to ratify protocols.

U.S. Ambassador to Turkey Francis Ricciardone said Turks and Armenians, together with experts from third countries, should launch an academic study on their common history, AA reported.

Turks and Armenians should cooperate to solve their problem, Ricciardone said as he met members of Diplomacy Reporters Association (DMD) over breakfast in Ankara.