TEHRAN, IRAN - Iran has announced more than 100 arrests nationwide over the mystery poisonings of thousands of schoolgirls, charging that the unidentified alleged perpetrators may have links with "hostile" groups. In the wave of cases since late November, schoolgirls have suffered fainting, nausea, shortness of breath and other symptoms after...

Scores of Iranian schools have been hit by poisonings since late November, with pupils suffering symptoms ranging from shortness of breath to nausea and vertigo after reporting "unpleasant" odors on school premises. Some have been treated in hospital.

Iran's Supreme leader Ayatollah Ali Khamenei said those behind the poisoning of schoolgirls in recent months should face "severe punishment", according to his website. In total, several hundred cases of gas poisoning have been reported in more than 52 schools across Iran since the end of November, according to an...

Dozens of Iranian schoolgirls across five provinces were hospitalized in a new wave of suspected poisoning attacks, local media reported. Hundreds of cases of respiratory distress have been reported over the past three months among schoolgirls mainly in the holy city of Qom, south of Tehran, with some needing hospitalization.