Syrian refugee children gather around a fire near their makeshift tents in central Ankara ©Reuters Syrian refugee children in Turkey Syria ’s main political opposition has threatened to withdraw from international peace talks aimed at bringing an end to the three-year long civil war unless an invitation to Iran to join the talks is rescinded. Ban Ki-moon, secretary general of the UN, on Sunday caused uproar after inviting Iran, President Bashar al-Assad’s main backer, to join the talks – known as Geneva II – that are planned to start on Wednesday. But Mr Ban said he had received reassurances from Tehran that it would play a “constructive and positive role”. Washington has said it is opposed to Iran attending the Syria talks unless it abides by the so-called Geneva communiqué signed in 2012, which calls for a “Syrian-led political process leading to a transition that meets the legitimate aspirations […]