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(NEWSER) – Ghoncheh Ghavami may be the world's only volleyball-related political prisoner. The 25-year-old, who was arrested when she tried to attend a men's volleyball game in Iran earlier this year, has been "locked up simply for peacefully having her say about how women are discriminated against in Iran," an Amnesty International director says.

She was first arrested in June and has now been sentenced to a year in prison for allegedly spreading propaganda against the ruling system, reports the AP. She tried to enter the stadium with other women to protest Iran's ban on women attending male-only matches, and her brother believes she was singled out for harsh treatment because she holds both Iranian and British citizenship.

Photo: Free Ghoncheh

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