Turkish soldiers hold their positions with their tank, on a hilltop on the outskirts of Suruc, at the Turkey-Syria border, overlooking Kobani, Syria, during fighting between Syrian Kurds and the militants of the Islamic State group, as seen from Mursitpinar on the outskirts of Suruc, at the Turkey-Syria border, Kobani, also known as Ayn Arab, and its surrounding areas, has been under assault by extremists of the Islamic State group since mid-September and is being defended by Kurdish fighters.