The assassination of Andrei Karlov, the Russian Ambassador to Turkey, by a Turkish policeman has brought into focus the hugely deleterious impact of the Syrian war upon neighbouring states and the wider region.
Report from a roundtable looking at the challenges facing Iraq after Daesh: the legacy of the past; the technical challenges for the provision of security; the role of religion and sectarianism; the role of regional powers; and the battle of Mosul.
After months of uncertainty, David Cameron has offered his most detailed case yet for the UK to extend airstrikes from Iraq to Syria. He stands a good chance of exorcising the ghosts of August 2013. But how robust are his arguments?