(Bloomberg) -- Top Israeli military officials reasserted that their country has no choice but to respond to Iran’s weekend drone and missile attack, even as European and US officials boosted their calls for Israel to avoid a tit-for-tat escalation that could provoke a wider war.

“Missiles into the territory of the State of Israel will be met with a response,” Israel Defense Forces Chief of Staff Herzi Halevi said in a speech at the Nevatim air base, which was targeted in Saturday night’s attack. He spoke in front of an F-35 fighter jet, the type of plane that Israel used to help repel the Iranian barrage and could play a role in a counter-strike.

The focus shifted to the timing and nature of Israel’s move. Prime Minister Benjamin Netanyahu must weigh his desire to respond to Iran’s unprecedented attack against pressure from US President Joe Biden and other world leaders to hold back and keep the international scrutiny on Iran’s actions.


The West and Arab states are trying to convince Netanyahu that an aggressive reaction would harm Israel’s interests. They’re also concerned it could push up oil prices, hindering central banks’ attempts to slow inflation.

Iran fired more than 300 drones and missiles in its first-ever attack on Israel from its own soil. Almost all were intercepted by Israeli, US, UK, French and some Arab forces. The projectiles caused minor damage, and only one person, a child, was reported injured.

Biden sought to return the focus to talks to pause Israel’s military campaign in the Gaza Strip, which was a response to an Oct. 7 attack by Iranian-backed Hamas militants. Asked how soon Israel might act against Iran, National Security Council spokesman John Kirby said the US doesn’t want to see a wider conflict and will help Israel defend itself.

“You’re asking me to get ahead of, as far as I know, a decision that the war cabinet hasn’t even made,” Kirby said of Israel’s deliberations.

French President Emmanuel Macron said in an interview with France’s BFM TV and RMC radio that “we’re going to do everything we can to avoid flare-ups, and try to convince Israel that we shouldn’t respond by escalating, but rather by isolating Iran.”

German Chancellor Olaf Scholz made similar comments while visiting China, and both his foreign minister and that of the UK will travel to Israel later this week.

“We’re very anxious to avoid escalation and to say to our friends in Israel it’s a time to think with head as well as heart,” UK Foreign Secretary David Cameron said to Times Radio on Monday.

On Monday, Deputy Iranian Foreign Minister Ali Bagheri Kani vowed to counter any Israeli attack with a “more severe, faster and more immediate blow.” Kani, who served as Iran’s chief negotiator in nuclear talks, said in televised remarks that it would take “seconds” for his country to launch another strike on Israel, comments that further fueled fears of an escalatory spiral.

Some Israeli ministers have said their country needs to carry out a harsh attack to deter Iran from any repeat assault. Netanyahu hasn’t laid out what he plans to do, beyond saying that Israel will respond in some way.

“Israel deeply appreciates the support of the United States, Britain, France and others in thwarting the Iranian attack against Israel,” Netanyahu’s office said in a post on X Monday. “The international community must continue to stand united in resisting this Iranian aggression, which threatens world peace.”

The Israeli military has presented the government with a range of possible actions, Peter Lerner, a spokesman, said in a Bloomberg Radio interview.

“We need to be patient and understand that the situation here is very fragile,” he said. The government is “considering the pros and cons of each avenue.”

Group of Seven members spoke with one another on Sunday and said they would try to stop “an uncontrollable regional escalation.”

Iran said its actions were a legitimate response to an April 1 attack on its diplomatic compound in Syria, for which it blamed Israel. That strike killed seven Iranian officers, including two generals.

Any reprisals by Israel should be limited to military interests and done in “a very calibrated manner to put an end to the back and forth,” said Macron, who said he plans to soon talk to Netanyahu.

Middle Eastern politics have been upended by Israel’s war in Gaza with Hamas. Israel’s retaliatory air and ground assault on the group for the Oct. 7 attack has killed more than 33,000 people in Gaza, according to the Hamas-run health ministry in the Palestinian territory.

Hamas, designated a terrorist organization by the US, European Union and others, killed 1,200 people and abducted around 250 hostages when its fighters swarmed into southern Israel.

--With assistance from Paul Wallace, Stephen Carroll, Caroline Hepker, Michael Nienaber and Jennifer Jacobs.

(Updates with Iranian response in)

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