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Top diplomats gather for security forum in Southeast Asia

Published by Global Banking & Finance Review

Posted on July 23, 2026

4 min read

· Last updated: July 23, 2026

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ASEAN Forum: Diplomats Address Oil, Security, and Territorial Disputes in Manila

Key Discussions and Diplomatic Engagements at the ASEAN Regional Forum

By Mikhail Flores

Opening of the Forum and Main Security Concerns

MANILA, July 23 (Reuters) - Top diplomats from Asia, Europe and North America gathered on Thursday for the security-focused ASEAN Regional Forum in Manila, where ministers were expected to issue calls for a peaceful settlement after renewed and intensifying hostilities in the Middle East.

The war in Iran and the blockade of the Strait of Hormuz could dominate discussions at the plenary event, which will be attended by U.S. Secretary of State Marco Rubio, Russia's Foreign Minister Sergei Lavrov, European Union foreign policy chief Kaja Kallas and top officials from China, Australia, India, Japan, Britain and others.

The war has been a key talking point in the gathering hosted by the 11-member Association of Southeast Asian Nations, a region with a combined gross domestic product of about $3.8 trillion that is heavily reliant on Middle East oil and particularly exposed to the fallout, which has stoked inflation around the world.    

Energy and Security Impacts

"The world has entered a new period of turbulence and transformation," China's Vice Foreign Minister Hua Chunying said in opening remarks at a forum on Thursday between ASEAN, Japan, South Korea and China.

"The situation in the Middle East has spilled over into energy and food supply chains, and security and resilience have been disrupted ... demand for maintaining peace and stability has become more urgent," she said. 

Escalation in the Middle East

It has been 12 days since the Middle East ceasefire collapsed, and the U.S. military launched attacks for a 12th successive night on Thursday. Iranian-aligned Houthis also claimed hits on two Saudi oil tankers as part of a blockade that risks forming a second chokehold on global oil supplies at the Red Sea, alongside the Strait of Hormuz.

Rubio said on Wednesday that the United States wanted a diplomatic solution, but Tehran was not playing ball.

"The problem we're having right now is that they're not serious about talks," he told ASEAN ministers.

Diplomatic Meetings and Regional Tensions

Rubio to Hold Talks with Lavrov

Rubio was due to meet Russia's Lavrov on Thursday and said he would discuss the Ukraine war, adding that Washington was looking to play a constructive role in ending it.

South China Sea Disputes

Another focal point of talks in Manila has been the South China Sea and long-running tension between Beijing and U.S. ally the Philippines, which Washington is treaty-bound to defend in the event of an attack on its vessels. 

Recent Incidents and Sovereignty Claims

 China's coast guard, deployed widely for years and in vast numbers far off its mainland, was involved in a brief altercation with Philippine navy personnel on Monday near a disputed reef in Manila's exclusive economic zone, prompting both countries to summon each other's ambassadors. 

Beijing claims sovereignty over almost the entire South China Sea via a line on its maps that cuts into parts of the EEZs of Brunei, Indonesia, Malaysia, the Philippines, and Vietnam. China does not recognise a 2016 arbitration ruling that said those claims had no basis under international law. 

Calls for Regional Cooperation

China's Foreign Minister Wang Yi, meeting ASEAN counterparts on Wednesday, described the South China Sea as "our common home" and said cooperation and friendship should be the narrative. 

Regional countries should "resist the incitement of foreign forces, oppose individual countries using the sea to make trouble, and firmly take the leading position to maintain peace and stability in the South China Sea in their own hands", he said, according to an official statement. 

(Reporting by Mikhail Flores, Karen Lema, Nestor Corrales and Michael Martina in Manila and Liz Lee in Beijing; Writing by Martin Petty; Editing by David Stanway)

Key Takeaways

  • ASEAN ministers called for peace in light of renewed Iran‑U.S. conflict and Strait of Hormuz risks, noting Southeast Asia’s heavy reliance on Middle Eastern oil (AP, IEA)
  • U.S. Secretary of State Marco Rubio met with Russia’s Lavrov and emphasized diplomatic solutions, though Iran was criticized as unserious (Reuters, AP)
  • China urged regional stability while ASEAN navigated South China Sea disputes, energy security and maritime cooperation amid growing external tensions

Frequently Asked Questions

What is the ASEAN Regional Forum?
The ASEAN Regional Forum is a security-focused diplomatic meeting involving countries from Asia, Europe, and North America to address regional and global security challenges.
Why is the Middle East conflict significant for Southeast Asia?
Southeast Asia relies heavily on Middle East oil; conflict in the region affects energy supplies and global inflation, which impacts ASEAN economies.
Who are the key participants in this year's ASEAN Regional Forum?
Key participants include U.S. Secretary of State Marco Rubio, Russia's Foreign Minister Sergei Lavrov, EU foreign policy chief Kaja Kallas, and officials from China, Australia, India, Japan, Britain, and ASEAN nations.
What issues are being discussed in the forum?
Top issues include the Middle East war, oil supply disruptions, global inflation, diplomatic solutions to the Ukraine conflict, and tensions in the South China Sea.
What recent incidents have escalated South China Sea tensions?
A clash between China's coast guard and Philippine navy personnel near a disputed reef and ongoing disputes over China's territorial claims have heightened tensions.

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