As the House of Commons votes for airstirkes in Syria Matthew talks to the BBC

As the House of Commons debates whether to extend the Iraq bombing campaign against so-called Islamic State to target Islamic State in Syria I debated the issues with a former British Ambassador to Syria. Matthew stressed the need for a diplomatic track alongside the military one and described the impact UK troops deploying to Syria or Iraq would have on Sunni opinion and the dangers of western involvement fuelling the Islamic State narrative.