The content originally appeared on: CNN CNN - At least four prisoners were killed and 61 injured after a fire at Evin prison in northern Tehran, Iranian state media IRNA reported, attributing Iranian authorities. The prisoners died of smoke inhalation, IRNA added. The fire happened Saturday night and an Iranian security official said 'thugs' set fire to the warehouse of prison clothing, IRNA reported earlier. A large, dark plume of smoke was seen billowing near the prison in multiple videos […]