- Iran says intelligence chief killed -

Israeli strikes killed the intelligence chief of Iran's Revolutionary Guards, as the Islamic republic on Monday defied threats from US President Donald Trump to devastate civilian infrastructure if it does not reopen the Strait of Hormuz.

Trump threatened "hell" if Iran does not reopen the strategic strait, vowing in an expletive-laden social media post to strike its bridges and power plants. But he appeared to extend by 24 hours his deadline for a deal. "Tuesday, 8:00 P.M. Eastern Time!" he said on his Truth Social platform.

Iran's Deputy Foreign Minister Kazem Gharibabadi said Trump's threats could amount to war crimes. The Revolutionary Guards said they were completing preparations to enforce new operating conditions in the Strait of Hormuz.

- Four killed in attack on Israeli apartments -

Israeli rescue services said that the bodies of four missing people had been recovered from the rubble of a residential building in the northern city of Haifa after it was struck by an Iranian missile the previous day.

Israel's defence ministry said it plans a "major" acceleration in production of Arrow missile interceptors. After questions emerged in international media over how long Israel's interceptor stocks would last, Defence Minister Israel Katz said "Israel has sufficient interceptors to protect its citizens".

- Six wounded in Kuwait attack -

An Iranian attack on a residential area in northern Kuwait injured six people, the health ministry said. Kuwait's army said earlier that the Gulf nation's air defences were working to intercept incoming missiles and drones.

The United Arab Emirates defence ministry said its air defences were also responding to a missile and drone attack, with falling debris injuring one person in Abu Dhabi.

- Israel hits southern Beirut -

An Israeli strike hit Beirut's southern suburbs as Israel's army said it was targeting Hezbollah, with the latest raid amid the invasion sending a large plume of smoke billowing across the skyline.

Israeli strikes on Lebanon on Sunday killed at least 15 people and wounded 39, Lebanese officials said.

- Strikes on Tehran -

Israel's army said it had completed a wave of strikes against "regime targets" in Tehran. Iranian media reported several attacks on residential areas across Tehran.

Gas outages hit parts of the capital after a strike on a university, according to Iran's state broadcaster IRIB. The gas was later restored.

- Third Turkish ship crosses Strait of Hormuz -

A third Turkish-owned ship has crossed the war-torn Strait of Hormuz, Transport Minister Abdulkadir Uraloglu said.

South Korea will meanwhile send five ships to the Saudi Red Sea port of Yanbu to help establish alternative oil supply routes to avoid disruption in the Strait of Hormuz, a ruling MP said.

- Iran threatens 'devastating' retaliation -

Iran's central military command warned of "much more devastating" retaliation if its adversaries hit civilian targets.

"If attacks on civilian targets are repeated, the next stages of our offensive and retaliatory operations will be much more devastating and widespread," a spokesman for the Khatam al-Anbiya Central Headquarters said, according to state broadcaster IRIB.

President Donald Trump previously threatened to destroy Iran's civilian infrastructure if Tehran does not strike a deal to reopen the Gulf to shipping.

- Oil benchmarks around $110 -

Oil prices made early gains but then fell back following US President Donald Trump's latest threats against Iran.

Prices fluctuated during the day, and by late afternoon US benchmark West Texas Intermediate, which at one stage was at $113.62 a barrel, was back at $110.75, while North Sea Brent was up 0.2 percent to $109.20, having earlier hit $110.30.

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