Airwars report details at least 459 non-combatant deaths, including 100 children, in 52 air strikesThe air campaign against Islamic State in Iraq and Syria has killed more than 450 civilians, according to a new report, even though the US-led coalition has so far acknowledged just two non-combatant deaths.More than 5,700 air strikes have been launched in the campaign, which nears its first anniversary this Saturday with its impact on civilians largely unknown.