In a 45-page report on the situation in the war-ravaged country, the panel described beheadings of boys as young as 15, men flogged for things like smoking or accompanying an “improperly dressed” female relative, and women publicly lashed for not following the group’s strict dress code.

IS, which declared a “caliphate” in an area stretching across northern Iraq and eastern Syria, is also recruiting and training children as young as 10, with teens being used in active combat and suicide-bombing missions, the report said.