Speaking after a consultative meeting of Arab and Islamic foreign ministers in Riyadh, bin Farhan accused Tehran of premeditated hostile actions against its neighbours, both directly and through regional proxies, and urged it to halt further escalation.

“This pressure from Iran will backfire politically and morally and certainly we reserve the right to take military actions if deemed necessary,” he told a news conference.

Saudi Arabia’s defence ministry said it intercepted and destroyed four ballistic missiles targeting Riyadh, with debris falling near a refinery south of the capital. Interceptors were seen launched near the venue hosting the diplomatic gathering as ministers from countries including Turkey, the United Arab Emirates, Jordan, Qatar and Syria convened.

The strikes marked a significant moment in the conflict, with residents in Riyadh reporting blasts and receiving warning alerts for the first time since hostilities began.

Saudi authorities say the kingdom has faced hundreds of missiles and drones since the start of the conflict, the vast majority of which have been intercepted.

The escalation follows Iran’s vow to target oil and gas infrastructure across the Gulf after what it described as an Israeli strike on its facilities in the South Pars gas field.

Attacks on Wednesday affected energy sites in Qatar, the United Arab Emirates and Saudi Arabia, raising concerns over global supply disruptions.The widening conflict, now in its third week, has already driven oil prices higher and unsettled energy markets as critical infrastructure comes under repeated threat.

Saudi Arabia and Iran restored diplomatic relations in 2023 after years of rivalry that saw them support opposing factions across the region.

Bin Farhan said Riyadh still preferred diplomacy but warned that continued Iranian actions could eliminate any remaining basis for trust.

“If Iran doesn’t stop immediately, I think there will be almost nothing that can re-establish trust,” he said.

A Turkish diplomatic source said representatives from Azerbaijan, Bahrain, Egypt, Jordan, Kuwait, Pakistan, Qatar, Syria, Turkey and the United Arab Emirates would attend.

The meeting comes amid limited signs of de-escalation nearly three weeks into the U.S.-Israeli war with Iran, which has disrupted the region and affected global energy supplies. The conflict has heightened concerns over broader instability across the Middle East.

Hakan Fidan is expected to stress the need for a negotiated and peaceful resolution, warning that a prolonged conflict could inflict lasting damage on ties between regional countries, the Turkish source said. He is also expected to visit additional countries following the Riyadh talks.

Turkey, a member of the NATO and a neighbour of Iran, had sought to mediate between Tehran and United States before the war began. Ankara has since condemned U.S. and Israeli strikes on Iran as violations of international law, while also criticising Iranian attacks on Gulf states as unacceptable.

The Riyadh meeting is expected to focus on coordinated diplomatic efforts to contain the conflict and mitigate its economic and security repercussions across the region.

The discussions come as major economies assess potential responses to volatility in global oil markets following the conflict. Benchmark crude prices surged to nearly four-year highs on Monday before dropping sharply on Tuesday after Donald Trump said the Middle East war could end soon.

The G7 grouping includes the United States, Canada, Japan, Italy, Britain, Germany and France, which currently holds the rotating presidency of the forum.

Oil markets have been rattled by fears that the conflict could disrupt supplies from the Middle East, particularly shipments moving through the strategically vital Strait of Hormuz, one of the world’s most important oil transit chokepoints.

Prices fell about 11% on Tuesday after Trump predicted the conflict might soon de-escalate, easing some concerns among traders about immediate supply disruptions.

Energy ministers from the G7 met earlier on Tuesday but stopped short of agreeing on a coordinated release of strategic petroleum reserves. Instead, they asked the International Energy Agency to evaluate the situation before any collective action is taken.

U.S. officials are also considering measures to ensure continued oil shipments through the Strait of Hormuz, including naval escorts for commercial vessels and guarantees for war-risk insurance for tankers. The steps are aimed at reassuring shipping companies and preventing further disruptions to global energy supplies as tensions in the region persist.