An Iranian doctor says he fears the chemical attacks against schoolgirls are being led by regime authorities, as the gases used to poison the students are a combination of different chemicals, which it is "not possible for ordinary people" to access.https://t.co/Av2weAXqJG pic.twitter.com/uDRgPRe4fp

— Iran International English (@IranIntl_En) March 5, 2023