A masked Palestinian hurls a stone at Israeli border police during clashes between Israeli police and Palestinians in Jerusalem's Old City, Sunday, Sept. 27, 2009. Israeli police used stun grenades Sunday to disperse Palestinian rioters at a volatile Jerusalem site holy to Jews and Muslims, police said. The incident took place during a visit by a Jewish group to the compound in Jerusalem's Old City known to Jews as the Temple Mount and to Muslims as the Noble Sanctuary.