Israel’s intelligence chief has left Doha after talks aimed at trying to reach a cease-fire, Qatari Foreign Ministry spokesperson Majed al-Ansari said Tuesday at a news conference, adding that Qatari officials were “cautiously optimistic” about the negotiations.

Al-Ansari said Mossad chief David Barnea had left Qatar already. He said technical negotiations between Israel and Hamas were ongoing, with Qatar carrying messages between the parties.

The U.N. warned Tuesday that Israel's severe restrictions on aid into war-ravaged Gaza and its ongoing hostilities could mean it is using starvation as a "weapon of war".

"The extent of Israel's continued restrictions on entry of aid into Gaza, together with the manner in which he continues to conduct hostilities may amount to the use of starvation as a method of war, which is a war crime," U.N. rights office spokesman Jeremy Laurence told reporters in Geneva, adding that the final determination of whether "starvation is being used as a weapon of war" would be determined by a court of law.

Israeli raids hit warehouses storing weapons for the Lebanese Hezbollah group in Syria Tuesday, a war monitor said, as a Syrian military source said air defenses had intercepted several missiles.

Israel has launched hundreds of air strikes in Syria since civil war broke out in 2011, targeting Iran-backed forces including Hezbollah as well as Syrian army positions.

The entire population of Gaza is experiencing "severe levels of acute food insecurity", U.S. Secretary of State Antony Blinken said Tuesday, underscoring the urgency for increasing the delivery of humanitarian aid into the Palestinian territory.

"According to the most respected measure of these things, 100 percent of the population in Gaza is at severe levels of acute food insecurity. That's the first time an entire population has been so classified," Blinken told a press conference in the Philippines where he is on an official visit.

Israeli Prime Minister Benjamin Netanyahu has agreed to send a team of Israeli officials to Washington to discuss with Biden administration officials a prospective Rafah operation as each side is looking to make "clear to the other its perspective," White House national security adviser Jake Sullivan said.

The agreement to hold talks about Rafah came as Biden and Netanyahu spoke Monday, their first interaction in more than a month, as the divide has grown between allies over the food crisis in Gaza and Israel's conduct during the war, according to the White House. Sullivan said the talks will happen in the coming days and are expected to involve military, intelligence and humanitarian experts.

U.S. Secretary of State Antony Blinken will travel to Saudi Arabia and Egypt this week to discuss efforts to secure a ceasefire in Gaza and increase humanitarian aid to the Palestinian territory, a State Department spokesperson said Tuesday.

Blinken will hold talks with Saudi leaders in Jeddah on Wednesday before travelling to Cairo on Thursday for talks with Egyptian authorities, spokesman Matthew Miller said from the Philippines, where Blinken is touring.

Qatar-based broadcaster Al Jazeera said Israeli forces had beaten and arrested its correspondent Ismail Alghoul during a raid on Monday on Gaza's largest hospital, urging his release.

The Israeli army said it was battling Hamas militants at the Al-Shifa hospital with witnesses reporting air strikes and tanks near the facility which was crowded with patients and displaced people.

Hamas' unprecedented raid on southern Israel has prompted a legal predicament: How does a country scarred by the deadliest attack in its history bring the perpetrators to justice?

Israel is holding hundreds of Palestinians from Gaza accused of taking part in the Oct. 7 attack that sparked its war with Hamas. It is grappling with how to prosecute suspects and offer closure to Israelis, including victims' families.

The European Union has announced a 7.4 billion-euro ($8 billion) aid package for cash-strapped Egypt as concerns mount that economic pressure and conflicts in neighboring countries could drive more migrants to European shores.

The deal, which drew criticism from rights groups over Egypt's human rights record, was signed Sunday afternoon in Cairo by Egyptian President Abdel Fattah el-Sissi and European Commission President Ursula von der Leyen. The ceremony was attended by leaders of Belgium, Italy, Austria, Cyprus and Greece.

Israeli Prime Minister Benjamin Netanyahu has railed against growing criticism from top ally the United States against his leadership amid the devastating war with Hamas, describing calls for a new election as "wholly inappropriate."

In recent days, U.S. Senate Majority Leader Chuck Schumer, the highest-ranking Jewish official in the country and a strong Israel supporter, called on Israel to hold a new election, saying Netanyahu had "lost his way." President Joe Biden expressed support for Schumer's "good speech," and earlier accused Netanyahu of hurting Israel because of the huge civilian death toll in Gaza.