U.S. President Donald Trump said Sunday he will call Israeli Prime Minister Benjamin Netanyahu to urge him not to retaliate against Iranian missile strikes on Israel, U.S. news outlet Axios reported.

"I am going to call Bibi right now and tell him not to retaliate," Trump was quoted as saying by Axios journalist Barak Ravid in a phone interview, using the Israeli leader's nickname.

Air raid sirens sounded in Israel on Sunday as its military worked to intercept barrages of incoming Iranian missiles for the first time since an April ceasefire took hold in the Middle East war.

The Israeli army reported the attack just hours after Tehran had threatened to retaliate for a new Israeli strike on Beirut's southern suburbs.

Iran threatened to retaliate against the United States and Israel for fresh strikes in Beirut's southern suburbs on Sunday, further dampening hopes for a lasting peace as the Middle East war reached its 100th day.

At least one person was killed and five others wounded in multiple shooting attacks in Israel on Sunday, authorities said, with one of the perpetrators killed.

The United States said it shot down a pair of Iranian drones threatening the Strait of Hormuz, the latest escalation of violence as the war crept into its 100th day on Sunday with no end in sight.

Iran still has "21, 22 percent" of its missiles left, U.S. President Donald Trump said, in a week in which Tehran fired dozens of them toward regional neighbors, despite a sputtering ceasefire.

The release of frozen Iranian funds has become a key issue in negotiations between Tehran and Washington aimed at ending their war, a senior Iranian official said.

Iran fired missiles at U.S. allies Bahrain and Kuwait on Saturday, after renewed American strikes against it, drawing a furious response from the Gulf monarchies and further undermining a fragile truce.

Ireland on Friday barred Israel's national security minister and finance minister from entering the country over the war in Gaza.

Justice Minister Jim O'Callaghan "has instructed immigration officers to refuse entry to Itamar Ben-Gvir - Minister for National Security of Israel, and Bezalel Smotrich, Minister of Finance of Israel - should they seek to enter the state," said a justice ministry statement sent to AFP.

Iran's army said Friday it had fired "warning missiles" at two US destroyers in the Gulf of Oman, forcing the vessels to leave the area, according to state media.

"In continuation of operations to counter maritime misconduct and harassment, as well as the hijacking of commercial vessels and oil tankers by the terrorist naval forces of the United States, following the firing of warning missiles, the hostile destroyers DDG-103 and DDG-8 have left the Gulf of Oman towards the Indian Ocean," the army said in a statement carried by state news agency IRNA.