"Israel is wreaking state terror".
Under the 1993 Oslo peace accords shepherded by then USA president Bill Clinton, the status of Jerusalem, including whether East Jerusalem will be the capital of a Palestinian state, was to be agreed in future negotiations.
At least 55 Palestinians were killed by Israeli army gunfire on Monday - and thousands more injured - during anti-occupation rallies along the Gaza Strip's eastern border, according to the Palestinian Health Ministry.
"Israel is carrying out a genocide".
"Israel is a terrorist state", said Erdoğan. It proves this with the steps it is taking now as a terrorist state. He repeated his position that "east Jerusalem is the capital of Palestine" and that "when a Palestinian state will be established", a Turkish embassy will open there.
The politician called Israel "a terrorist state" and noted that Turkey would continue supporting Palestine.More news: Chinese plane windshield pops out mid-flight
More news: Egypt condemns terror attack on Indonesian police station
More news: McCutchen Returns to Pittsburgh with San Francisco Giants
The Turkish president added that a "big rally" would be held in Istanbul on Friday over the violence in Gaza.
Turkey has also initiated the necessary work to evacuate the injured from Gaza in coordination with the Turkish Armed Forces and the Turkish Prime Ministry's Disaster and Emergency Management Authority (AFAD).
Turkish President Recep Tayyip Erdogan, during a visit to London, slammed what he called a "very, very unfortunate" move, saying that it had stripped Washington of its role as mediator in the Middle East peace process.
"I also condemn those who remain quiet against this [tragedy]", he said, referring to countries that have shown no reaction to the mass killings in Gaza.
"We disagree with the USA decision to move its embassy to Jerusalem and recognise Jerusalem as the Israeli capital before a final status agreement", a spokesman for British Prime Minister Theresa May said.