On a day when temperatures were soaring past 37 degrees Celsius outside, a prisoner sat in his cell with wet towels around his window bars, trying to explain to

On a day when temperatures were soaring past 37 degrees Celsius outside, a prisoner sat in his cell with wet towels around his window bars, trying to explain to a visiting politician how it felt to be locked up in France during a heatwave. Reuters accompanied that July visit and spoke to more than …