Residents reported heavy aerial and tank fire across Khan Younis, an area of southern Gaza that has become the focus of Israel's ground offensive against Hamas, and around two main hospitals there.
Hamas said its fighters fired an anti-tank missile against an Israeli tank in southwest Khan Younis.
The Israeli military said it killed at least 11 gunmen who were trying to plant explosives near troops and others firing rifles and rocket-propelled grenades at soldiers in Khan Younis.
The Palestinian Islamic Jihad group, allied with Hamas, said its fighters were engaging Israeli forces in the area and had fired rockets into Israel.
The Gaza Health Ministry said Israeli strikes hit in the vicinities of Al-Amal Hospital and the largest functioning medical facility in the south, Nasser Hospital.
The Israeli bombardment was compromising healthcare and endangering the lives of doctors, patients and displaced people, said ministry spokesman Ashraf Al-Qidra.
The Israeli military says it is in contact with hospital directors and medical staff by phone and on the ground to make sure that they are running and accessible. Israel says Hamas operates in and around medical facilities, an allegation the group denies.
In a ruling on Friday, the World Court stopped short of ordering a ceasefire but ordered Israel to prevent acts of genocide against Palestinians and do more to help civilians. Prime Minister Benjamin Netanyahu said afterward that the war aimed at eliminating Hamas would continue.
In the southern city of Rafah, Zainab Khalil, 57, displaced with her family several times until reaching shelter not far from the border with Egypt, said the International Court of Justice's ruling was important but not enough. "We want a ceasefire now," she said.
Israel launched its air, sea and land offensive after militants from the Hamas group that rules Gaza stormed into Israel on Oct. 7, killing 1,200 people and abducting 253.
Some 26,257 Palestinians have been killed and nearly 65,000 wounded so far, including 174 killed in the last 24 hours, Gaza health authorities said on Saturday. The majority of the enclave's 2.3 million population has been displaced.
Israel says 220 soldiers have died since it launched its ground offensive. It says it has killed at least 9,000 Gaza militants so far, a figure that Hamas has dismissed.
Residents and Hamas militants reported fighting on Saturday in the central and northern parts of the enclave, where heavy rain flooded tents of those displaced, forcing some to seek alternative shelter in the middle of the night.
In Rafah, where over half of Gaza's people are now taking cover in shelters and tents, the Gaza Health Ministry said an Israeli air strike killed three people in a house there.
It was not immediately clear who the casualties were and there was no immediate comment from the Israeli military.
In the occupied West Bank, one man was killed in an exchange of fire with Israeli forces near Jenin, residents said.
(Reporting by Nidal al-Mughrabi in Doha, Fadi Shana in Gaza and Maayan Lubell in Jerusalem; Additional reporting by Ali Sawafta in Ramallah; Editing by Frances Kerry)
By Nidal al-Mughrabi and Fadi Shana
