Police had to be called in to restore order at Geneva’s notoriously overcrowded prison, Champ-Dollon.
Around 20 prisoners refused to return to their cells after exercising in the yard on Saturday afternoon.
After several hours of negotiations, the police were called in at around 8pm.
The police say the operation went smoothly and all prisoners were in their cells by 9pm.
It’s not known what their complaints were.
Heat to stay for now
The heatwave alert has been extended until Thursday, with temperatures set to climb as high as 37 degrees in some areas.
Growing anger over World Cup red card
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Fire damages trees in the Jardin Anglais
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Cows sweltering in the heat
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Lake Geneva nudists fight for their lake section
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Holiday makers seek more than the sun
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