Ho-hum, another day in Tehran, another incident of careless explosive-tank handling. Or so the Iranians want everyone to think, for now. Officials claim that “careless handling” of oxygen tanks triggered an explosion south of Tehran that killed two people in Baghershahr late yesterday. “Human error,” the Iranian regime called it: Two men have been killed in yet another Iran explosion, as officials blamed ‘human error’ for the blast.The explosion rocked the Sepahan Boresh factory in the city of Baqershahr, south of Tehran, in the early hours of Tuesday morning, according to state media.It was caused by ‘workers being negligent...