DUBAI – In a dramatic escalation of tensions, Israel and Iran exchanged attacks early Wednesday as Tehran intensified its focus on regional oil infrastructures amidst rising global energy anxieties. The ongoing conflict in the Middle East appears far from resolution.

Iran has effectively halted cargo traffic through the strategic strait that facilitates the transit of nearly 20% of the world’s oil from the Persian Gulf to the Indian Ocean. This move, alongside targeting oil fields and refineries in Gulf Arab states, seems designed to inflict significant global economic pressure, potentially forcing the United States and Israel to reconsider their military strategies.

In the early hours of Wednesday, a projectile struck a container ship near Oman in the Strait of Hormuz, igniting a fire and compelling the crew to evacuate. Meanwhile, Kuwait reported intercepting eight Iranian drones, and Saudi Arabia confirmed neutralizing five drones targeting its Shaybah oil field.

The U.N. Security Council was scheduled to vote later in the day on a Gulf Cooperation Council-backed resolution demanding that Iran cease its hostilities against neighboring Arab countries.

Israel, having initiated the conflict with the United States on February 28, announced renewed offensives on Tehran following a series of intense strikes the previous day. Residents described these attacks as among the most severe since the war began. Explosions echoed through Beirut and southern Lebanon as Israel launched fresh assaults on Hezbollah, the Iran-backed militia.

Israel continues its offensive on Lebanon with a new barrage of attacks.

The attacks set a building ablaze in central Beirut in the densely populated Aicha Bakkar area, engulfing the top two floors of the multistory structure. There were no immediate reports of casualties from the strike, which came without warning.

An earlier Israeli strike killed five people in the Nabatieh district in southern Lebanon, while two more were killed in strikes in the Tyre and Bint Jbeil districts, Lebanon’s Health Ministry said. A Red Cross worker also died Wednesday of wounds sustained Monday, when his team was hit by an Israeli strike while they were rescuing people from an earlier attack.

Nearly 500 people have been killed so far in Lebanon since Hezbollah triggered the latest round of fighting with Israel when it fired rockets into the country’s north after the American and Israeli attacks on Iran started.

Iran launches multiple salvoes at Israel and Gulf Arab nations

Israel warned of three Iranian attacks early Wednesday, with sirens heard in Tel Aviv and elsewhere but no immediate reports of casualties.

In addition to Iranian attacks targeting Saudi Arabia’s oil fields, the kingdom’s defense ministry said it had destroyed six ballistic missiles launched toward Prince Sultan Air Base, a major U.S.- and Saudi-operated air facility in eastern Saudi Arabia. The ministry also said it intercepted and destroyed two drones over the eastern city of Hafar al-Batin.

In the Strait of Hormuz north of Oman, a cargo ship was hit with a projectile and set on fire, according to the United Kingdom Maritime Trade Operations center, run by the British military.

Iran did not immediately claim the attack though it has been targeting ships in and around the strait.

The UKMTO earlier reported on another attack targeting a container ship off Ras al-Khaimah in the United Arab Emirates. In that case, it said the “extent of the damage is currently unknown but under investigation by the crew.”

The United Arab Emirates said early Wednesday that its air defenses were working to intercept incoming Iranian fire. The wealthy nation — home to the business and travel hub of Dubai — said Iranian attacks have killed six people and wounded 122 others there.

Bahrain sounded sirens early Wednesday, warning of an incoming Iranian attack. The warnings came a day after an Iranian attack hit a residential building in the capital, Manama, and killed a 29-year-old woman and wounding eight people.

At the United Nations, the Security Council was to vote Wednesday afternoon on the Gulf Cooperation Council resolution, according to three diplomats speaking on condition of anonymity ahead of an official announcement.

The council, a six-nation regional bloc, said its own facilities were targeted in an Iranian attack last week on Bahrain.

The draft resolution, obtained by The Associated Press, condemns Iran’s attacks on Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, the United Arab Emirates and Jordan. The measure calls for an immediate end to all strikes and threats against neighboring states, including through proxies.

It would be the first Security Council resolution considered since the start of the war.

Oil prices stay high on fears of prolonged shipping disruption

Oil prices remained well below the peaks Monday but the price of Brent crude, the international standard, was still up some 20% Wednesday from when the war began, and consumers around the world are already feeling the pain at the pump.

The spike in oil prices has been rocking financial markets worldwide because of worries that the war could block the global flow of oil and natural gas for a long time.

The U.S. military said Tuesday it had destroyed 16 Iranian minelayers near the Strait of Hormuz, though U.S. President Donald Trump said in social media posts that there were no reports yet of Iran mining the passage, a prospect that experts warned of preceding the war.

If the strait is mined, it could take at least weeks to clean it up once the conflict is over.

Some tankers, believed linked to Iran, are continuing to get through the strait making so-called “dark” transits — meaning they aren’t turning on their Automatic Identification System tracks, which show where vessels are. Vessels carrying sanctioned Iranian crude often turn off their AIS trackers.

The security firm Neptune P2P Group said Wednesday there had been seven ships pass through the strait since March 8. Of them, five were linked to Iranian-associated shipping, it said. In ordinary times the strait typically sees 100 ships or more transit daily from the Persian Gulf into the Gulf of Oman.

Meanwhile, the commodity-tracking firm Kpler said Iran has restarted crude exports through its Jask oil terminal on the Gulf of Oman. A tanker loaded roughly 2 million barrels at Jask on March 7, it said.

Speculation over health of Iran’s new supreme leader grows

Meanwhile, concerns grew over the health of Iran’s new Supreme Leader Ayatollah Mojtaba Khamenei after comments about him “being injured.”

The 56-year-old Khamenei — the son of the late Supreme Leader Ayatollah Ali Khamenei — has not been seen since since becoming supreme leader on Monday. His father and wife both were killed in an Israeli airstrike Feb. 28 that started the war.

Foreign nationals flee region as death tolls rise

In addition to the nearly 500 people killed in Lebanon, Iran has said more than 1,300 people have been killed there and Israel has reported 12 people dead.

The U.S. has lost seven soldiers while another eight have suffered severe injuries.

Many foreign nationals have been getting out of the Persian Gulf region since the war began, including over 45,000 U.K. citizens, the British Foreign Office said. Some 40,000 people returned to the United States, according to the State Department.

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Magdy reported from Cairo, and Rising from Bangkok. Associated Press writers Sally Abou AIJoud in Beirut, Giovanna Dell’Orto in Miami, Julie Watson in San Diego, and Edith M. Lederer at the United Nations contributed to this story.