SANLIURFA, TURKEY -  OCTOBER 15: (TURKEY OUT) A Turkish soldier stands on a top of a tank as he watches the Syrian town of Kobani from near the Mursitpinar border crossing, on the Turkish-Syrian border in the southeastern town of Suruc in Sanliurfa province October 15, 2014. Islamic State are believed to control more than a third of Syrian city of Kobani since they arrived in mid-September. Kurdish forces have now advanced after a series of US-led coalition air strikes on ISIS positions in and around the besieged town.  (Photo by Gokhan Sahin/Getty Images)