It is the biggest single-day loss of Turkish soldiers in Syria’s civil war.
Turkey retaliated with attacks on Syrian army positions.
It also appears to be putting pressure on allies in Europe to respond.
Turkish officials were quoted as saying Ankara will not stop Syrian refugees who want to cross border points into the European Union. If this happens, it would go against a 2016 deal for EU funds in return for hosting refugees.
Could this tension trigger a new humanitarian crisis?
Presenter: Kamahl Santamaria
Mehmet Celik – Managing editor of the Daily Sabah English newspaper in Turkey
Wilf Dinnick – Spokesperson on Syria for the humanitarian aid organisation