On Friday, more than 200 Palestinians were wounded in clashes at the Al-Aqsa Mosque compound and elsewhere in Jerusalem.
'Cruel terrorist state' "Israel, the cruel terrorist state, attacks the Muslims in Jerusalem - whose only concern is to protect their homes. and their sacred values - in a savage manner devoid of ethics", Erdogan said.
At a meeting of his cabinet on Sunday, Prime Minister Benjamin Netanyahu made no direct mention of the Sheikh Jarrah evictions case. That, combined with Palestinian anger over the eviction plan in the nearby Sheikh Jarrah neighborhood, could set the stage for an especially volatile day.
Israel Police decided Monday morning to bar Jews from entering Jerusalem's Temple Mount flashpoint holy site on Jerusalem Day, and were set to also rule on whether to allow a continuous celebratory parade by nationalist Jews amid warnings from security officials that the Flag March could lead to a further escalation in violence and calls from the United States to ensure calm.
Amos Gilad, a former senior defence official, told Army Radio that the Jerusalem Day parade should be cancelled or rerouted away from the Old City's Damascus Gate, saying "the powder keg is burning and can explode at any time".
Condemning Israel's "heinous attacks on Jerusalemites in the surroundings of Al-Aqsa Mosque", Foreign Ministry spokesman Deifallah al-Fayez urged Israeli authorities to leave worshippers to perform night-time prayers safely and freely during the holy month of Ramadan, according to a ministry statement. It is one of Islam's most revered sites, but its location is also the holiest site in Judaism, known as the Temple Mount.
It is among the worst violence seen in Jerusalem for many months.
Palestinian youths threw stones, lit fires and tore down police barricades in the streets leading to the walled Old City gates as officers on horseback and in riot gear used stun grenades and water cannons to repel them.
The clashes that subsequently broke out saw at least 17 Palestinians wounded, majority by rubber-coated bullets, the Palestinian Red Crescent said.
Amelia Jenne reports on the second night of violence there.
The Quartet of Middle East negotiators - the U.S., the EU, Russia and the United Nations - has also expressed concern over the spiralling violence, urging all sides to show restraint.
"Violence only generates violence".
At the Vatican, Pope Francis said he was following the events in Jerusalem with worry and called for an end to the clashes. Gazan protesters affiliated with Hamas also launched incendiary balloons into southern Israel during the day, causing dozens of fires.
The US, EU and the Middle East Quarter were among those to have call for calm in Jerusalem.
"We firmly reject the pressure not to build in Jerusalem".
What is fuelling the violence?
People hold Hamas flags as Palestinians gather at the Dome of the Rock after praying on the last Friday of Ramadan, to protest over the possible eviction of several Palestinian families from homes on land claimed by Jews in the East Jerusalem neighborhood of Sheikh Jarrah, May 7, 2021.
Sunday night saw fierce clashes between Palestinian protesters and police in Jerusalem.
The late-night skirmishes raised the likelihood of further clashes Monday during the annual Jerusalem Day celebrations.
Senate President Faisal al-Fayez called on the worldwide community to shoulder its moral and legal responsibility to stop the "herds of settlers and state-sponsored terrorism of the Israeli extremist right government against Palestinians", state-run Petra news agency reported.
Israel annexed east Jerusalem following the 1967 takeover, in a move not recognised by most of the worldwide community.
"We wish to emphasize that East Jerusalem remains part of the occupied Palestinian territory, in which worldwide humanitarian law applies", Colville said.