Timeline of the Islamic State (2014)
28 August: The Islamic State beheaded a Lebanese Army soldier whom they had kidnapped. The group also beheaded a Kurdish Peshmerga fighter in response to Kurdistan's alliance with the United States, and executed around 250 Syrian soldiers captured after the fall of Tabqa Air Base in Ar-Raqqah province. The soldiers had earlier been marched to their place of execution wearing just their underwear.