SAN JUAN, Puerto Rico -- The U.S. military says another prisoner has died at the Guantanamo Bay Navy base in Cuba.
A prison spokesman says the U.S. government is notifying the prisoner's family and his country. Navy Capt. Robert Durand says the U.S. has launched an investigation into the cause of death.
The prisoner's name and nationality have not been released.
The military said in statement Monday the man was found unconscious inside the prison on Saturday. He was taken to a military hospital for treatment and declared dead by a doctor.
This is the eighth prisoner to die at Guantanamo since it opened in January 2002. The military said two of the previous deaths were natural causes and six were suicides.