the ghezel hesar prison is infamous for its conditions. in march 2011 it made headlines when, according to official reports, 14 people were killed and 33 wounded during a prison revolt. the actual number of victims may have been higher. former prisoners report torture and physical abuse by the staff, catastrophic hygiene conditions and a lack of medical care. there are reports that clashes inside karaj ghezel hesar prison began when some prisoners protested against the execution of dozens of other prisoners. 150 people are said to have been suffering serious injuries and several dozens to have been killed. sources close to the government have announced that 47 people have been killed or injured in this incident yet this number is dramatically different from what similar reports from independent sources indicate.