Israel persists in targeting hospitals in Gaza and attacking displaced Palestinians.
A Hamas delegation is in Cairo for talks regarding the Egyptian ceasefire proposal.
An Israeli army self-propelled artillery howitzer fires rounds from a position near the border with the Gaza Strip in southern Israel.
Residents there combed through rubble for survivors on Thursday after an air strike that one witness said left "several casualties".
"We were sitting [at home] peacefully and all of a sudden we heard a loud explosion and debris started falling on us. The apartment was completely destroyed and my daughters were screaming," said Tayseer Abu Al-Eish.
An Israeli siege imposed after October 7, following years of crippling blockade, has deprived Gazans of food, water, fuel and medicine.
The severe shortages have been only sporadically eased by humanitarian aid convoys entering primarily via Egypt. Israel said Thursday it had given preliminary approval to the Mediterranean island nation of Cyprus for a "maritime lifeline" to ship aid to Gaza.
A Hamas delegation was due in Cairo on Friday to give its "observations" about an Egyptian plan for a ceasefire recently put to officials from Hamas and Islamic Jihad, which is also battling Israeli forces in Gaza.
Sources close to Hamas say Cairo's three-stage plan provides for renewable ceasefires, a staggered release of captives held by Hamas in exchange for Palestinian prisoners in Israel, and ultimately a ceasefire to end the war.
It also provides for a Palestinian government of technocrats after talks involving "all Palestinian factions", which would be responsible for governing and rebuilding in post-war Gaza.
A Hamas official, speaking on condition of anonymity, told AFP on Thursday that the delegation would "give the response of the Palestinian factions, including several observations" regarding details of the exchanges and "guarantees for a complete Israeli military withdrawal".
Diaa Rashwan, who heads Egypt's State Information Services, said the plan was "intended to bring together the views of all parties concerned, with the aim of ending the shedding of Palestinian blood".
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