This is an entry from: Live Blog: War against Islamic State
Summary of the day
28 September 2014 17:06 BST
- Obama admits US underestimated IS threat
- UK PM underlines need for ground troops to fight IS
- Syrian Kurds continue to stream into Turkey
- US-led airstrikes destroy three makeshift oil refineries in Syria, according to monitoring group
- IS tries to regain Kobani near the Turkish-Syrian border