UN chief concerned about possible escalation in Syria

UN Secretary-General Antonio Guterres warned Tuesday that the recent downings of a Syrian jet and of an Iranian-made drone could be "very dangerous" and lead to an escalation of the war in Syria.Guterres also sought to downplay expectations of a breakthrough in the next round of UN-led peace talks on Syria starting on July 10."Indeed I am concerned and I hope that this will not lead to any escalation of the conflict that is already as dramatic as it is," Guterres told a news conference at UN hea