Some of the protests this week in cities like Washington, D.C. and Cape Town, South Africa, had initially been planned over the controversial relocation of the U.S. Embassy or to mark the 70th anniversary of Nakba on Tuesday.
At a special meeting of the United Nations Security Council on Wednesday morning (AEST), Ms Haley denied the violence in Gaza was a response to the new USA embassy, saying the blame laid with the Palestinian Hamas party.
Mansour, of Palestine, called the clashes an "odious massacre" and said the USA embassy opening, which coincided with the 70th anniversary of the May 15, 1948 removal of Palestinians to establish the state of Israel, provoked Palestinians to demonstrate.
Hamas operatives fired shots and hurled pipe bombs and grenades at Israeli soldiers guarding the border, the Israeli Defense Forces said in a statement accompanied by a video.
Erdogan regards himself as a champion of the Palestinian cause and a year ago hosted an OIC summit in Istanbul to denounce US President Donald Trump´s decision to recognise Jerusalem as Israel´s capital.
A proposed UN Security Council press statement, put forward by Kuwait, was blocked by the U.S., according to a UN diplomat.
"We believe that Hamas is responsible for these tragic deaths, that their rather cynical exploitation of the situation is what's leading to these deaths, and we want them to stop", White House Deputy Press Secretary, Raj Shah told reporters on Monday.
Some 52 Palestinians in total, including the three men, were killed in skirmishes near the security fence. The move to Jerusalem upended decades of USA policy toward Jerusalem.
Palestinians had been protesting the opening of the new U.S. embassy in Jerusalem, the eastern part of which they claim as their own capital.
Local authorities say at least 60 people have been killed in two days as crowds of people burned tires, hurled rocks and Molotov cocktails, floated incendiary kites, and attempted to destroy border fencing and illegally cross into Israel.
The Arab League's Permanent Committee on Human Rights on Tuesday called on the International Criminal Court prosecutor to urgently investigate "the crimes of the Israeli occupation" against Palestinians. "The status of Jerusalem should be determined in a negotiated settlement between Israel and Palestinians, and Jerusalem should ultimately be the shared capital of the Israeli and Palestinian states".
Kuwait, which requested Tuesday's meeting, had tried to get council members to sign on Monday to a statement that would have demanded that all countries comply with a decades-old Security Council resolution that called on them not to have embassies in contested Jerusalem.