An attack dog released on unarmed Palestinians by Israeli security forces sank its teeth into the arm of a Palestinian man and refused to release it for several minutes. Soldiers released an attack dog on unarmed Palestinians at a Friday anti-occupation demonstration in the West Bank village of Kufr Qaddoum, report eyewitnesses that include an AP photographer. According to a report from Jonathan Pollack, a political activist, Border Police officers released an army dog at a group of protesters who were standing several dozen meters away. The dog chased the protesters, then locked his jaw on the arm of one…