Syria's energy ministry warned on Thursday of rising water levels on the Euphrates River after flooding in the north and east following increased flows from neighbouring Turkey and recent rains.

The ministry said it was monitoring the situation on the Euphrates "in light of the significant and unprecedented increase in water flows from the Turkish side".

It said the increase was due to "the abundance of the current rainy season and the opening of floodgates at dams located along the river in Turkish territory".

WASHINGTON, May 28 (Reuters) - The U.S. and Iran have reached agreement on a memorandum of understanding to extend their ceasefire for 60 days but President Donald Trump has yet to approve it, a source familiar with the matter told Reuters.

The news was first reported by Axios.

The Trump administration has several times said that a deal to still the fighting was close only to have Iran dispute or downplay the claims.

US and Iranian negotiators edged toward a deal to extend their fragile ceasefire for 60 days, but the potential breakthrough was still hanging on President Donald Trump's approval, US sources told AFP on Thursday.

The development came after Washington and Tehran accused each other of violating the truce, underscoring the volatility of talks three months after the Middle East war began with US-Israeli strikes on Iran.

The United States and Iran closed in on a framework for a ceasefire extension detail Thursday but President Donald Trump has yet to approve any agreement, US officials said.

US sources told AFP earlier that the two sides had reached agreement on a memorandum of understanding (MOU) to prolong the truce for 60 days.

But US Vice President JD Vance said Trump -- who was notably silent throughout the day -- had yet to sign on the dotted line. There was no immediate reaction from Iran.

WASHINGTON, May 28 (Reuters) - The United States warned Oman on Thursday not to get directly or indirectly involved in any effort to impose a toll in the Strait of Hormuz, saying it will penalize any partners involved in such a system.

"The United States Government will not tolerate any effort to impose a tolling system in the Strait of Hormuz," U.S. Treasury Secretary Scott Bessent said in a post on X.

JERUSALEM, May 28 (Reuters) - Ben-Gurion International Airport, Israel's main air gateway near Tel Aviv, is operating at about one-third of capacity due to the presence of U.S. refuelling aircraft, threatening heavy flight cancellations this summer, the head of the Israel Airports Authority said on Thursday.

Sharon Kedmi, director general of the authority, told Kan's Reshet Bet radio station that 70% of activity at the airport is limited because of the space and resources being taken up by American military activity.

WASHINGTON, May 28 (Reuters) - The U.S. Treasury Department said on Thursday it taking 76 persons, vessels and entities off its sanctions blacklist that it said were outdated, a move it said would help crack down on sanctions evasion on complex and high-risk targets.

The department said it had heard from businesses that complained about being forced to spend significant resources to screen targets that were low-risk. In some cases the targets such as financial networks no longer exist, or individuals who had been sanctioned had died.

BRUSSELS, May 28 (Reuters) - The EU Council on Thursday imposed sanctions on four entities and three individuals for abuses against Palestinians in West Bank, it said in a statement.

The list includes what the EU Council called extremist Israeli settlers and organisations that support them.

In a separate statement, the Council said it would also broaden the scope of the EU's sanctions on Hamas and the Palestinian Islamic Jihad to also cover members of Hamas' Political Bureau (Politburo) who promote, defend, or justify acts of violence.

WASHINGTON, May 28 (Reuters) - The U.S. and Iran have reached an agreement on a 60-day memorandum of understanding to extend the ceasefire and launch negotiations on Iran's nuclear program, but President Donald Trump still needs to give final approval, Axios reported on Thursday, citing two U.S. officials.

(Reporting by Katharine Jackson and Daphne Psaledakis)

Israel is breaking all contact with United Nations chief Antonio Guterres, the country's ambassador announced Thursday, saying it was "outrageous" Israel is being blacklisted over alleged sexual violence in conflict zones.

"We are done with this secretary-general," Ambassador Danny Danon said in a video posted on X.

"The decision to blacklist Israel and accuse us of using sexual violence as a weapon of war is an outrageous decision," he said, referring to an upcoming report from Guterres' office.