At least 23 Palestinians were killed by Israeli airstrikes across the Gaza Strip, the Palestinian official news agency WAFA reported.
At least nine people, including three children and two women, were killed, and some others were injured as a result of the Israeli bombing of the Musa bin Nusayr School on Sunday, which houses displaced people in the Al-Daraj neighborhood of Gaza City, news agency reported quoting WAFA.
Four more people were killed when the Israeli army bombed a vehicle on the Al-Jalaa Street in Gaza City, it added.
Five citizens, including four children, were killed on Sunday morning in Israel's shelling of the Jabalia town, north of Gaza City, WAFA said in a separate report.
In the southern Gaza Strip, two people were killed when the Israeli army bombed their apartment west of Khan Yunis, and three others died in the Israeli bombing of the city of Rafah, WAFA said.