Israeli prison guards have taken photos and videos of their abuse of Palestinian detainees, the Israeli newspaper Haaretz reported on Saturday. The Israeli Prison Service claimed this was part of a “routine exercise”. Palestinian prisoners have reported being subject to violence, kicking, punching blows to the testicles and other forms of severe abuse and humiliation. According to the photos and videos obtained by Haaretz, dozens of Palestinian detainees were shown laying on their stomachs in handcuffs, some stripped of their clothing, while a combat dog barks at them. Israeli Prison Service p…