Riyad Mansour, Palestine's envoy to the UN, accused Israel of committing "war crimes" against Palestinian protesters in the Gaza Strip, and slammed what he said was the UN Security Council's failure to hold Israel accountable.
"For the past eight weeks, we have begged you to prevent another massacre by Israel, the occupier," he told an emergency session of the UN Security Council.
"Is it possible that you did not hear our calls? Is it possible that you did not take our warnings seriously?"
Calling for a transparent and investigation into the killings along the Israel-Gaza border, he said: "Let us investigate what is happening on the ground. We will accept the outcome of such an investigation."
Arab League calls on ICC to investigate 'Israeli crimes'
The Arab League's Permanent Committee on Human Rights called on the International Criminal Court prosecutor to urgently investigate "the crimes of the Israeli occupation" against Palestinians.
"Israel is an oppressive and murderous entity and its politicians and officers must be taken to the International Criminal Court," Amjad Shamout, the committee's chairman, said in a statement.
Arab League chief Ahmed Abul Gheit condemned the "massacres" of Palestinians, which he said resemble "war crimes".
In a statement he called on the international community to "protect the Palestinian people, who have chosen the path of peaceful struggle and have been confronted with brutality, violence and murder".
ICC prosecutor vows to 'take any action warranted' over Gaza unrest
The chief prosecutor of the International Criminal Court said she was watching closely the unrest in Gaza, and would "take any action warranted" to prosecute crimes.
"My staff is vigilantly following developments on the ground and recording any alleged crime that could fall within" the tribunal's jurisdiction, she warned in a statement to AFP news agency.
"The violence must stop," she added.