Israeli strikes killed dozens of Palestinians at the al-Fakhoora School, run by the United Nations agency for Palestinian refugees (UNRWA), in the Jabalia refugee camp and another school in Tal Al-Zaatar, also in northern Gaza on Saturday.

Deploring the recent Israeli air raids, Kana’ani stressed on Sunday Zionists’ fresh war crimes against Palestinians take place amid the inaction of the world community.

“Unfortunately, the occupying Zionist regime is ruthlessly and viciously perpetrating new war crimes and carnages on a daily basis against Palestinian women and children, who have taken refuge in houses, shelters and temporary accommodation centers, in light of the inaction of world states and international bodies,” the spokesperson stated.

The top diplomat called upon the international community, particularly the Muslim world, to take on their responsibilities and adopt immediate and deterrent actions in the face of the naked and premeditated genocide of the criminal Israeli regime against the defenseless Palestinian people.

The Palestinian Ministry of Health has announced the two attacks killed and injured hundreds of people, mainly women and children, with a combined estimated death toll of 200.

Several hundred people were believed to have taken shelter at both schools, fleeing the non-stop Israeli bombardments.

The Israeli military had told Palestinians to move from north Gaza for their safety, but fatal raids continued to hit central and southern areas of the narrow coastal territory.

In early October, Hamas launched a multi-pronged surprise military operation via land, sea and air against Israel. The group announced it was in response to the storming of Al-Aqsa Mosque in occupied East Jerusalem and Israeli settlers’ growing violence against Palestinians. The attacks have so far killed more than 1,200 and injured over 5,500, according to Israeli officials. Hamas also announced it is holding between at least 200 and 250 hostages.

Following the multi-front attack by Hamas, Israel carried out heavy bombardment across the Gaza Strip, killing more than 12,300 Palestinians, including at least 5,000 children and over 3,500 women, and wounding over 30,000 others, and levelling entire neighbourhoods. The bombing, as well as enforced displacement orders by the Israeli Army, has also pushed 1.6 million people out of their homes.

Tel Aviv has also imposed a "complete siege" on Gaza, cutting off food, electricity, fuel and water supplies. The move has plunged the blockaded territory into a humanitarian crisis.

The Gaza Health Ministry has confirmed that the healthcare system in the besieged territory has “totally collapsed due to the Israeli war”. Dozens of hospitals and tens of medical centers are out of service due to Israeli raids, according to the enclave's health ministry. The UN agencies have also warned that the humanitarian situation in the Gaza Strip is "catastrophic", calling for more international help as conditions deteriorate in the densely populated besieged enclave.

Gaza is one of the most densely populated places on Earth, where some 2 million people live in an area of 140 square miles. It has been almost completely cut off from the rest of the world for nearly 17 years. More than half of its population lives in poverty and is food insecure, with nearly 80% of its population relying on humanitarian assistance.

Tehran says the history of Israel is full of assassinations, massacre, torture and killing of Palestinian kids, and described Tel Aviv regime's atrocities and massacre of Palestinian women and children as indicative of the destitute of Zionists. Iranian officials say Tel Aviv has been struggling for more than 70 years to exit its identity crisis which has been mixed with genocide, plunder, forced displacement and scores of other inhumane moves.