The dates of Russian President Vladimir Putin's visit to Turkey have not been agreed yet, but possible options will be discussed in the near future, Russian leader's aide Yury Ushakov said, Interfax reports."A visit to Turkey is on the agenda. It is being prepared, but specific dates have not been agreed yet. But this visit is on the agenda. It is one of our foreign policy priorities," he told reporters.Ushakov noted that in the near future, possible dates for the realization of Erdogan's invitation would be discussed.