Vietnam and the Philippines led a successful push for the Association of Southeast Asian Nations to deliver a thinly veiled rebuke to China over the standoff in waters home to key shipping lanes and thought to contain huge energy reserves.
But a defiant Beijing said Hanoi's efforts to enlist the support of its neighbours in the row were "doomed to fail".
Also Read
"We expressed serious concerns over the ongoing developments in the South China Sea," said the joint statement from the summit in Myanmar, without explicitly pointing the finger at Beijing.
ASEAN called on all parties involved to "exercise self-restraint, not to resort to threat(s) or use of force, and to resolve disputes by peaceful means in accordance with the universally recognised principles of international law".
Observers said the statement marked a change of tone by the regional bloc, many of whose members - including Myanmar - have close economic and political ties with China and have traditionally avoided confrontation with the Asian heavyweight.
Beijing struck a less conciliatory tone today, insisting that the contested Paracel Islands, located near the controversial oil rig, were its "inherent territory".
"The facts show that Vietnam's efforts to rope others into pressuring China are doomed to fail," foreign ministry spokeswoman Hua Chunying told reporters in Beijing.
Vietnam's Prime Minister Nguyen Tan Dung slammed Beijing's oil rig move as "extremely dangerous" and accused Chinese vessels of ramming Vietnamese ships in the disputed waters.
"This is the first time China brazenly brings and installs its drilling rig deep into the continental shelf and exclusive economic zone of an ASEAN country, which gravely violates the international law," he said, according to an official transcript of his speech.
The spat triggered large anti-China protests in Vietnam at the weekend that received unprecedented coverage in Vietnam's tightly controlled state media today.
China asserts ownership over almost all of the South China Sea, which is also claimed in part by ASEAN members Vietnam, the Philippines, Brunei and Malaysia as well as Taiwan.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Access to Exclusive Premium Stories
Over 30 subscriber-only stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app