ISLAMABAD: An investigation by Amnesty International into an airstrike on an Iranian school – which claimed the lives of about 168 people, mostly children – has blamed the US for the deliberate, deadly attack and urged the authorities to ensure a transparent and thorough investigation to ensure accountability. In an in-depth report, the rights watchdog revealed that the US violated international humanitarian law by failing to take all feasible precautions to avoid civilian harm and sought accoun...