Volker Turk: "Israel must urgently reset its policies and actions in the West Bank in line with international human rights standards, including protecting and respecting the right to life."
The incident at the funeral sparked a wave of protests and condemnations from many Palestinians.
Palestinian leaders are calling on the international community to sanction Israel after an Israeli Military operation in Jenin resulted in Palestinian deaths.
The members of the delegation met with senior PIJ officials and declared their support for the Palestinians.