Nine children were killed in an Israeli attack as they queued for nutritional supplements outside a health clinic in central Gaza, the UN children agency has said.
UNICEF said one of the victims of the strike in Deir el-Balah was a one-year-old boy whose mother said he had spoken his first words just hours earlier.
She was critically injured in the blast, it added.
"No parent should have to face such tragedy," UNICEF executive director Catherine Russell said in a statement.
"The killing of families trying to access life-saving aid is unconscionable," she added.
Gaza's civil defence agency said the children were among 17 victims in Deir el-Balah, as a wave of Israeli bombings and shootings killed at least 64 across the territory.
UNICEF said an additional 30 people were injured, including 19 children, in the Israeli attack on Deir el-Balah.
The series of attacks came just hours after Hamas announced it was willing to release ten Israeli hostages as part of ceasefire talks in Qatar.
The high death toll comes after the agency said 26 people were killed across Gaza yesterday, 29 on Tuesday and 12 on Monday.
Mr al-Mughair added that an Israeli aircraft targeted "a gathering of citizens in front of a medical point".
Two people were killed in separate strikes on the Nuseirat camp while four lost their lives at the Bureij camp, both in central Gaza, Mr Mughair said.
Five people living in tents in the Al-Mawasi area of Khan Younis in the south, he added.
The current stage of the war began after Hamas militants attacked Israeli border communities on 7 October 2023, leading to the deaths of 1,219 people, most of them civilians.
Israel's retaliatory strikes have killed at least 57,680 Palestinians in Gaza, most of them civilians, according to the territory's health ministry.
The United Nations deems those figures to be reliable.
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Fuel allowed to enter 'far from enough', says UN
The continued strikes come as the UN said it was allowed to bring 75,000 litres of fuel into Gaza, the first in 130 days, the secretary-general's spokesman said.
Gaza, a tiny strip of land with a population of more than two million people, was under a long, Israeli-led blockade before the war between Israel and Palestinian militant group Hamas erupted.
However, the spokesman said it was still "far from enough" to alleviate shortages in the war-torn territory.
"We and our humanitarian partners need hundreds of thousands of liters of fuel each day to keep essential life-saving and life-sustaining operations going, meaning that the amount entered yesterday isn't sufficient to cover even one day of energy requirement," said Stephane Dujarric.
He warned that crucial services will shut down if more fuel does not enter Gaza immediately.
Doctors at Gaza's largest hospital had said crippling fuel shortages have led them to put several premature babies in single incubators as they struggle to keep the newborns alive while Israel presses on with its military campaign.
EU says Israel has agreed to 'expand' Gaza aid access
Meanwhile, the EU has struck a deal with Israel to increase aid access to Gaza that should see more food trucks entering and the opening of additional crossing points, the bloc's top diplomat said.
"Today, we reached an agreement with Israel to expand humanitarian access to Gaza," European Union foreign affairs chief Kaja Kallas wrote on X.
Today, we reached an agreement with Israel to expand humanitarian access to Gaza.
— Kaja Kallas (@kajakallas) July 10, 2025
This deal means more crossings open, aid and food trucks entering Gaza, repair of vital infrastructure and protection of aid workers.
We count on Israel to implement every measure agreed.
"This deal means more crossings open, aid and food trucks entering Gaza, repair of vital infrastructure and protection of aid workers. We count on Israel to implement every measure agreed," Ms Kallas added.
In a statement Ms Kallas said that the measures agreed by Israel "are or will be implemented in the coming days, with the common understanding that aid at scale must be delivered directly to the population."
She said the steps included a "substantial increase of daily trucks for food and non- food items" going into Gaza, the opening of several more crossing points in both the northern and southern areas, and the reopening of routes from Jordan and Egypt.
"The EU stands ready to coordinate with all relevant humanitarian stakeholders, UN agencies and NGOs on the ground, to ensure swift implementation of those urgent steps," the statement said.
The move comes as Israel and Hamas continue to haggle over the details of a US-backed ceasefire deal to halt the war.
The EU has been weighing taking measures against Israel after finding it in breach of a cooperation deal between the two sides because of its actions in Gaza.
But the 27-nation bloc has struggled to find consensus on what steps to take as it is divided between staunch supporters of Israel and countries backing the Palestinians.
Gaza truce possible in one or two weeks but not in a day - Israeli official
Israel and Hamas may be able to reach a Gaza ceasefire and hostage-release deal within one or two weeks but such an agreement is not likely to be secured in just a day's time, a senior Israeli official has said.
Speaking during Israeli Prime Minister Benjamin Netanyahu's visit to Washington, the official said that if the two sides agree to a proposed 60-day ceasefire, Israel would use that time to offer a permanent ceasefire that would require the Palestinian militant group to disarm.
If Hamas refuses, "we'll proceed" with military operations in Gaza, the official said on condition of anonymity.
US President Donald Trump met Mr Netanyahu on Tuesday for the second time in two days to discuss the situation in Gaza, with the president's Middle East envoy indicating that Israel and Hamas were nearing an agreement on a US-brokered ceasefire proposal after 21 months of war.
Mr Trump had previously predicted that a deal could be reached this week, raising speculation about a possible announcement before Mr Netanyahu leaves for Israel later today.
Yesterday, however, Mr Trump appeared to extend the timeframe somewhat, telling reporters that while an agreement was "very close," it could happen this week or even next, though "not definitely".
A source familiar with Hamas' thinking said four days of indirect talks with Israel in Qatar did not produce any breakthroughs on main sticking points.
The Israeli official, who briefed reporters in Washington, declined to provide details on the negotiations.
Mr Trump's Middle East special envoy Steve Witkoff told reporters at a Cabinet meeting on Tuesday that the anticipated agreement would involve the release of 10 living and nine deceased hostages.
Mr Netanyahu's visit came just over two weeks after the president ordered the bombing of Iranian nuclear sites in support of Israeli air strikes.
Mr Trump then helped arrange a ceasefire in the 12-day Israel-Iran war.
Mr Trump and his aides have tried to seize on any momentum created by the weakening of Iran, which backs Hamas, to push both sides for a breakthrough to end the Gaza war.
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