Scores of schoolgirls in the Afghan province of Kunduz have fallen ill over the past week, in what authorities allege is mass poisoning by insurgents.
On Sunday, 13 girls were taken ill. This follows two separate incidents earlier in the week when about 70 girls complained of dizziness and nausea. An inquiry has already begun, health officials told the BBC.
The Taliban - which oppposes female education - denies carrying out an attack, the Reuters news agency says. The girls said they noticed a strange smell in class before the onset of their symptoms, but health officials said the gas remains unidentified. None of the symptoms experienced by the girls are reported to to be serious.
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