MANY displaced Gazans are living “in the open, in the parks,” Juliette Touma of the UN relief agency for Palestinian refugees, UNRWA, has told the BBC.
According to the UN’s humanitarian office (OCHA), at least 100,000 people have fled to Rafah – which borders Egypt in Gaza’s south – in recent days.
UNRWA’s Ms Touma said the UN was being authorised to bring in “limited assistance”.
But Gaza’s humanitarian needs, she said, “have massively grown”.
She said UNRWA continued to face “restrictions to access areas in the Gaza Strip where we should access”.
Israel has said it is not limiting aid and the problem is with its distribution.
More than 21,672 people have been killed in Gaza since, according to the health ministry. It says a further 56,165 Palestinians have been injured.
Access to humanitarian aid in the 41km (25 miles) long and 10km wide enclave has been tightly controlled since the start of the war.
At the start of its military campaign, Israeli forces focused on Gaza’s north. But more recently, they have been pounding Khan Younis in southern Gaza, which they see as a stronghold for Hamas.