The report also found that more than half a million people in the Gaza Strip are facing Phase 5 conditions, which are characterized as catastrophic levels of food insecurity. About 1.07 million people, 54% of the population, are facing Phase 4 conditions, characterized as emergency levels of food insecurity.

Israeli strikes killed at least 33 Palestinians in Gaza on Saturday, including people sheltering in tents or seeking scarce food, local hospitals said.

Gaza City and surrounding areas are officially suffering from famine, and it will likely spread, a global hunger monitor determined on Friday, an assessment that will escalate pressure on Israel to allow more aid into the Palestinian territory.

Food-security experts said a famine has taken hold in the Gaza City area, the first-ever such determination in the Middle East and one that puts more pressure on Israel.

Hospital officials in Gaza say Israeli strikes and gunfire have killed at least 33 Palestinians sheltering in tents or seeking scarce food aid.

Israeli Defense Minister Israel Katz warned Friday that Gaza city could "turn into Rafah and Beit Hanoun," areas that were destroyed earlier in the war, unless Hamas agrees to Israel's terms. This comes after Israeli Prime Minister Benjamin Netanyahu said he would approve the military's plans to seize Gaza City.

U.N. Humanitarian Chief Tom Fletcher said that the famine that has struck part of Gaza was preventable, blaming the "systematic obstruction" of aid by Israel and demanding that Prime Minister Benjamin Netanyahu let supplies in on a massive scale.

United Nations Secretary-General says famine in Gaza City is a 'failure of humanity'