(Reuters) – About 150 Afghan schoolgirls were poisoned on Tuesday after drinking contaminated water at a high school in the country’s north, officials said, blaming it on conservative radicals opposed to female education.

Since the 2001 toppling of the Taliban, which banned education for women and girls, females have returned to schools, especially in Kabul.

But periodic attacks still occur against girls, teachers and their school buildings, usually in the more conservative south and east of the country, from where the Taliban insurgency draws most support.

“We are 100 percent sure that the water they drunk inside their classes was poisoned. This is either the work of those who are against girls’ education or irresponsible armed individuals,” said Jan Mohammad Nabizada, a spokesman for education department in northern Takhar province.

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