SOFIA, Bulgaria－President of the European Council Donald Tusk, President of the European Commission Jean-Claude Juncker and Turkish President Recep Tayyip Erdogan met on Monday in Varna to keep up bilateral dialogue.

"Today's EU-Turkey meeting reaffirms the importance both sides give to our relationship," Tusk said at a joint press conference after a working dinner, hosted by Bulgarian Prime Minister Boyko Borissov as the leader of the country holding the rotating Presidency of the Council of the European Union.

On migration and support for refugees, the EU and Turkey remained very close partners, Tusk said. "I would like to express our appreciation for the impressive work Turkey has been doing, and to sincerely thank Turkey and the Turkish people for hosting more than three million Syrian refugees these past years," he said.

The EU has lent substantial support to improve the livelihood of these refugees, and this evening the European Union's unwavering commitment to continue this support was reaffirmed, Tusk said.

Fighting terror

Meanwhile, the two sides wanted to expand their cooperation with regard to foreign terrorist fighters, Tusk said.

"We also expressed our concern with Turkey's actions in Syria, in particular the situation in Afrin," Tusk said. "Escalating violence and displacement in an already tragic and volatile situation must be avoided, and we recalled Turkey's responsibility to ensure the protection of civilians and the delivery of humanitarian assistance to all those in need," Tusk said.

"Our meeting today demonstrated that while our relationship is going through difficult times, in areas where we do cooperate, we cooperate well.

"We reconfirm our readiness to keep up the dialogue and consultations and to work together to overcome current difficulties with a view to unleashing the potential of our partnership."

Erdogan said he hoped the period of bad relations between Turkey and the EU has remained in the past.

"Today, we made the first step toward improving the dialogue, but we need to take concrete measures," he said.