Vietnam is advised to consider the possibility of joint patrols along with the coast guards of other nations.

Trampling and ignoring international law, China has brazenly announced the establishment of two administrative districts in Vietnam's Paracel and Spratly islands in the East Sea, and formally named 80 geographical features there.

Hanoi and Manila have been tightening maritime cooperation in the face of shared challenges which are largely caused by Chinese aggression in the South China Sea.