The European Union and Israel have agreed on a deal to allow more food, fuel and other vital aid into the starvation-gripped Gaza Strip, with an E.U. presence at border crossings, European and Israeli officials said Thursday.

Nasser hospital in Khan Younis has a critical shortage of fuel and had to stop admitting patients after Israeli tanks advanced nearby on Thursday.

"The situation is very catastrophic because the electricity will abruptly go off within 24 hours," one doctor warned.

The decision followed discussions with the European Union, which has pressed Israel to ease the dire humanitarian conditions for Palestinians in the territory.

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 said on Wednesday.

Medical workers are forced to make life-or-death decisions for patients whose injuries would be treatable if they had the supplies, according to a new report.

The fighting in Gaza has shown no sign of slowing as Prime Minister Benjamin Netanyahu meets with President Donald Trump in Washington this week to work on a U.S.-led ceasefire plan.

Talks aimed at securing a ceasefire in Gaza are stalling over the extent of Israeli forces' withdrawal from the Palestinian enclave, Palestinian and Israeli sources familiar with the negotiations in Doha said on Saturday.