The battle for Kobani
Smoke rises over the Syrian town of Kobani after an airstrike. Thousands of people have fled the city in the last few weeks, as it is besieged by Islamic State fighters.
The battle for Kobani is becoming a focal point in the U.S.-led coalition campaign against Islamic State in Syria and in Iraq. The coalition have made air strikes and limited arms drops, to assist Kurdish peshmerga fighters in the area.