Iran's authorities have committed violations in recent months that may amount to crimes against humanity, a U.N. appointed expert told the human righs council on Monday,  citing cases of murder, imprisonment, enforced disappearances, torture, rape, sexual violence and persecution.

527 people were killed in recent protests including 71 children, some who were beaten to death by security forces.  According to some Iranian doctors, women and girls were targeted with shotgun fire to their faces, breasts and genitals .

Children released have described sexual abuses, threats of rape, flogging, administration of electric shocks and how their heads were under water, how they were suspended from their arms or scarves wrapped around their necks.

He voiced outrage at the execution of at least four people linked to the protests and said that a total of 143 people had been executed since January following grossly unfair trials.