An Israeli air strike on a hospital courtyard in the Gaza Strip has killed at least four people and left more than two dozen others with severe burns after fire swept through a tent camp for people displaced by the war, Palestinian medics said.

The Israeli military said it had targeted militants hiding out among civilians, without providing evidence.

In recent months it has repeatedly struck crowded shelters and tent camps, alleging that Hamas fighters were using them as staging grounds for attacks.

The Al-Aqsa Martyrs Hospital in the central city of Deir al-Balah was already struggling to treat a large number of wounded people from an earlier strike on a school-turned-shelter nearby that killed at least 20 people when the early Monday morning air strike hit and fire engulfed many of the tents.

Associated Press footage showed children among the wounded. A man sobbed as he carried a toddler with a bandaged head in his arms. Another small child with a bandaged leg was given a blood transfusion on the floor of the packed hospital.

Hospital records showed that four people were killed and 40 wounded. Twenty-five people were transferred to the Nasser Hospital in southern Gaza after suffering severe burns, according to the Al-Aqsa Martyrs Hospital.

Fire hits a hospital courtyard
Four people have died and dozens more suffered burns (AP)

Later, the Lebanese Red Cross said an Israeli air strike in northern Lebanon killed at least 18 people.

The strike hit a small apartment building in the village of Aito, and was one of the northernmost strikes since Israel invaded Lebanon earlier this month.

The Hezbollah militant group is mainly present in the south of the country and the southern suburbs of Beirut.

Israel is still carrying out near-daily strikes across the Gaza Strip more than a year into the war, and has been waging a major ground assault in the north, where it says militants have regrouped.

The war began when Hamas attacked southern Israel on October 7 2023, killing some 1,200 people, mostly civilians, while Palestinian militants abducted around 250 hostages. Around 100 are still being held inside Gaza, a third of whom are believed to be dead.

Israel’s retaliatory offensive has killed over 42,000 Palestinians, according to Gaza’s Health Ministry, which does not say how many were fighters but says women and children make up more than half the fatalities.

Around 90% of Gaza’s population of 2.3 million people have been displaced by the war, often multiple times, and large areas of the coastal territory have been completely destroyed.

Israel has ordered the entire remaining population of the northern third of Gaza, estimated at around 400,000 people, to evacuate to the south and has not allowed any food to enter the north since the start of the month. Hundreds of thousands of people from the north heeded Israeli evacuation orders at the start of the war and have not been allowed to return.

That has raised fears among Palestinians that Israel intends to implement a plan devised by former generals in which it would order all civilians out of northern Gaza and label anyone remaining there a combatant — a surrender-or-starve strategy that rights groups say would violate international law.

Fire in the camp
Israeli officials claim militants use the tent camps as a staging post for attacks (AP)

The plan has been presented to the Israeli government, but it is unclear whether it has been adopted.

With no end in sight to the war in Gaza, Israel is also waging an air and ground war in southern Lebanon against the Hezbollah militant group, an ally of Hamas that has been firing rockets into northern Israel for more than a year. Israel has also threatened to strike Iran in retaliation for a ballistic missile attack, raising the prospect of an all-out regionwide war.

A Hezbollah aerial attack on an army base in northern Israel killed four soldiers and severely wounded seven others on Sunday, the military said, in the deadliest strike by the militant group since Israel launched its ground invasion of Lebanon nearly two weeks ago.

The Lebanon-based Hezbollah called the attack near Binyamina city retaliation for Israeli strikes on Beirut on Thursday that killed 22 people.

It said it targeted Israel’s elite Golani brigade, launching dozens of missiles to occupy Israeli air defence systems during the assault by “squadrons” of drones.

Israel’s national rescue service said the attack injured 61 people. With Israel’s advanced air-defence systems, it is rare for so many people to be injured by drones or missiles.