Chiếu, the top master in vovinam in the world since achieving the highest-level while belt dan for masters in 2015, reportedly died at his home in District 8, HCM City.
The sixth World Vovinam Championship is being held from December 16-22.
More than 80 martial artists from Japan, Algeria, Iraq, Sudan and Egypt took part in the Ambassador Cup International Festival of Vovinam (Vietnamese Martial Arts) in Egypt over the weekend.
The National Vovinam (Vietnamese traditional martial arts) Championship opened in the Central Highlands Province of Gia Lai on Thursday.
The 31st Southeast Asian (SEA) Games is expected to have 40 sports, according to the Việt Nam Sports Administration after their meeting yesterday in Hà Nội.