A hearing began on Monday of a case brought by Vietnamese-French woman Trần Tố Nga against the US companies that provided chemical toxins used by the US Army in the war with Việt Nam.
Việt Nam has repeatedly affirmed its indisputable sovereignty over the Hoàng Sa (Paracel) and Trường Sa (Spratly) archipelagoes as well as the exclusive economic zone and continental shelf in the East Sea.