Mr Pham’s comments are likely to be considered a direct warning to China. Beijing and Hanoi have disputes over the Spratly Islands, also claimed by The Philippines and Taiwan and the Parcacel Islands, also claimed by Taipei. Mr Pham, also Deputy Prime Minister said at the UN General Assembly: “Vietnam has on many occasions voiced its concerns over the recent complicated developments in the South China Sea, including serious incidents that infringed upon Vietnam’s sovereignty.
“Relevant states should exercise restraint and refrain from conducting unilateral acts, which might complicate or escalate tensions at sea, and settle disputes by peaceful means.”
Beijing has sent coastguard vessels to an energy block operated by Russia’s Rosnet Oil PJSC near Vietnamese shores.
The US has accused China of intimidating other claimants from developing resources in the disputed waters.
China has responded by accusing Washington of attempting sow discontent with other nations.
It accused non-regional nations of “hyping up the tensions”.
In a previous statement, Hanoi’s Foreign Affairs spokeswoman Le Thi Thu Hang said: “Vietnam welcomes and is willing to join other nations and the international community” in order to maintain peace, stability and security.
The Vietnamese word for the South China Sea translates as East Sea.
One-third of international shipping passes throughout.
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Beijing did not play any role in the proceedings having refused to do so.
Three years later, the tribunal sided with The Philippines unanimously.
They adjudged there was no legal basis to the nine-dash line and that Manila’s sovereign rights had been infringed.
China have rejected the ruling.
Beijing also in the past been accused of encouraging fisherman to fish in the waters.
They have also built artificial islands in the sea.
Beijing and Hanoi share a 796 mile border.
The countries have been involved in several conflicts historically.
The Sino-Vietnamese conflicts of 1979-1991 saw Beijing take control of six reefs in the Spratly Islands.