Geneva - Israel's cancellation of entry permits for Palestinians may amount to collective punishment, which is banned under international law, the United Nations' top human rights official said on Friday.

ATTENTION EDITORS - VISUALS COVERAGE OF SCENES OF DEATH OR INJURYIsraeli security personnel stand next to the body of a Palestinian man who was shot dead after he stabbed and killed two people in Jerusalem's Old City October 3, 2015. A Palestinian man stabbed and killed two people in Jerusalem's Old City on Saturday before police shot him dead, officers said, amid an uptick in violence in the city and occupied West Bank. Palestinian militant group Islamic Jihad issued a statement claiming the attacker as one of its members. REUTERS/Ammar Awad TPX IMAGES OF THE DAY