ALEPPO, Syria (AFP) — Air strikes and shelling on Syria’s second city Aleppo and a town to its west left 25 civilians reported dead Tuesday, as a surge in violence tests a troubled ceasefire. UN chief Ban Ki-moon said he was “deeply concerned” by the fighting and urged both sides to stick to the two-month-old truce and troubled peace talks in Geneva. “The cessation of hostilities should go on, otherwise it will be very difficult […]