Afghan prisoner dies in Guantanamo --He is seventh captive to die in the prison since it opened in 2002 04 Feb 2011 An Afghan detainee held without charges at the Guantanamo Bay prison camp for nearly eight years has died after exercising, the US military says. Awal Gul, 48, reportedly collapsed and died after working out on an exercise machine. Detainees had brought him to a guard station for emergency help, but authorities were unable to revive him, AFP reported.