The UN humanitarian agency said aid to Gaza was being severely hampered by “intense hostilities, limitations on aid entry and delivery, and increasing insecurity”.
Medical charity Doctors Without Borders (MSF) in the southern Gaza city of Khan Yunis said an Israeli tank fired on a house sheltering their staff and families, killing two people.
MSF condemned the strike “in the strongest terms”.
The Israeli military said forces “fired on a building” it identified as a location where “terrorist activity is taking place”, adding that it “regretted” the damage caused to civilians.
Separately, the head of MSF told the UN Security Council that he was “appalled” that Washington had repeatedly vetoed proposals for an immediate ceasefire, and alleged that the idea was “regardless of civilian deaths”. -Discussion was being held.
Yemen's Iran-backed Houthi rebels have repeatedly attacked Red Sea shipping lanes vital to global trade since the war began, with the Houthis saying they are acting in solidarity with the Palestinians.
On Thursday, a British-owned cargo ship caught fire due to a missile attack by the Houthis as it was passing through the Gulf of Aden.
Two Hezbollah fighters were killed in an Israeli drone strike in southern Lebanon, a security source said, as regional tensions escalated.
Hezbollah – which is engaged in almost daily firefights with Israel – later announced it had fired rockets in retaliation.