This is the ninth gold medal that Huyen has brought home in four times competingat this largest regional sporting event.
She still has a chance to add the 10th gold to hercollection of gold medals at SEA Games in the final 400m hurdles race.
The 29-year-old woman from Nam Dinh, surprised Vietnamese fans atthe 30th SEA Games three years ago when claiming two gold medals justthree months after returning to training following giving birth./