Turkey’s president spoke via telephone with his French counterpart about the recent situation in Idlib, northwestern Syria, the Turkish Communications Directorate announced early Sunday.

Recep Tayyip Erdogan and Emmanuel Macron discussed bilateral relations, refugee crisis and regional issues, the directorate said.

Stressing that Turkey will retaliate against Assad regime’s attacks, Erdogan said he expected NATO’s concrete and clear solidarity during phone call.

He underlined that the humanitarian crisis in the region will be deepened as the regime continues its attacks.

Noting the refugee influx started to put pressure on Turkey’s European borders, Erdogan said he expected from Europe and France to offer concrete solutions

Read more: Turkish, French presidents discuss Syria's Idlib