US-led air strikes in Syria have intensified in bid to prevent forces from the Islamic State of Iraq and the Levant - known as Isis - from taking over a Syrian-Turkish border town inhabited mainly by Kurds. Turkey has been reluctant to offer military assistance but is under increasing pressure to do so. Fiona Symon asked Daniel Dombey, FT correspondent in Ankara, to explain the Turkish government’s position. For information regarding your data privacy, visit acast.com/privacy