The Israeli human rights organization Betselem has accused Israel of systematically torturing Palestinian prisoners in its prisons. A report released on Tuesday entitled “Welcome to Hell” contains testimonies from 55 ex-Palestinian prisoners the group interviewed. Some describe severe abuse and violence. More than 9,600 Palestinians were recently held in Israeli prisons, around half of them without official charges, the report said. The Israeli military said it is currently investigating allegations of serious sexual abuse of a Palestinian militant by soldiers in the Sde Teiman military camp i…