At least 23 prisoners have died in Tunisia in recent weeks due to extreme heat, according to rights advocates, who have long condemned harsh detention conditions made worse by overcrowding.Authorities have yet to release figures for prison deaths this summer, with an official saying no death could be attributed to heat without confirmation from forensic doctors.Read Also: ‘If God saves me, I’ll never drink again’ – Survivor of Ondo herbal drink tragedyYet the Tunisian Le