At a church in the mountains outside Beirut, Raymonda Mouawad raged as she buried her brother, killed by an Israeli strike in a war against Hezbollah that he had nothing to do with.

"We shouldn't be forced to bear the guilt of others' mistakes," she said, her voice filled with anger and sorrow.

An aid convoy organized by the Vatican envoy to Lebanon headed for Christian villages in the country's south had to turn back on Tuesday after it came under fire, a security source told AFP.

Apostolic Nuncio Paolo Borgia, who was travelling in the convoy, was being escorted by French peacekeepers from the United Nations Interim Force in Lebanon (UNIFIL), and was en route to the village of Debl near the Israeli border, the source told AFP on condition of anonymity.

The Israeli military on Tuesday urged all vessels in the maritime zone off the coast of southern Lebanon to immediately head north of the city of Tyre, warning that it would operate in the area.

Lebanon's health ministry said Tuesday that the death toll in more than a month of war between Israel and Hezbollah had reached 1,530.

The White House denied Tuesday that remarks by Vice President JD Vance about military operations in Iran had contained any suggestion of a U.S. nuclear strike against the Islamic republic.

U.S. President Donald Trump warned "a whole civilization will die" in Iran if the country does not heed his midnight cutoff to open the Strait of Hormuz, as Tehran reported U.S.-Israeli attacks on its infrastructure were already underway.

U.S.-Israeli strikes have hit the key Iranian oil export terminal of Kharg island, media reported Tuesday.

"The American-Zionist enemy has carried out several attacks on Kharg island, and several explosions have been heard there," Iran's Mehr news agency reported.

One gunman was killed and two others were wounded in a shootout with police outside the Israeli consulate in Istanbul on Tuesday, the local governor said, adding two officers were lightly wounded.

Turkish public broadcaster TRT had previously reported that two of the three attackers had been killed.

Iran's Revolutionary Guards on Tuesday warned they would retaliate beyond the Middle East and deprive Washington and its allies of oil and gas if the United States crossed "red lines", a statement carried on state television said.

"The Revolutionary Guards once again declare that if the American terrorist army crosses the red lines, our response will go beyond the region," the statement said.

The Israeli military said on Tuesday it had completed the deployment of ground troops along a "defense line" in southern Lebanon, where it is fighting Hezbollah.

A Lebanese military source said the Israeli army had advanced to a depth of between five and nine kilometers inside Lebanese territory.