A wave of suspected mass poisonings of schoolgirls in Iran remains shrouded in mystery

• Up to 900 Iranian school girls have been victims of suspected mass poisoning in recent months.
• Dozens have been hospitalized in the past week. 
• Iran's president blamed the unexplained bouts of respiratory distress on the Islamic state's "enemies."

Up to 900 Iranian school girls have been victims of a mysterious suspected mass poisoning over the last three months. 

Dozens more girls have been admitted to hospital with respiratory distress in the last few days, according to The Guardian.