This is the largest seizure ever made by the two forces.
The contraband was found in the homes of three alleged herointraffickers - Tong Dia, Tong Dinh and Chu Mua Ly - in Pa Hoc hamlet,Muong May district, Phongsaly province.
A total of 34cakes of heroin, 15.3kg of heroin powder, 64.5kg of additives used inheroin processing, five guns and nearly 1,500 bullets, 28kg ofexplosive, automobiles, currency in US dollar and Vietnamese dong, goldand other tools and equipment to refine heroin were confiscated.
Investigations show that in the past decade, the traffickers havebrought more than 10,000 cakes of heroin into Vietnam through theTay Trang international border gate.
On April 30, 38-year-old Ly Tung Nhia from Pa Hoc hamlet, a member of the ring, wascaught transporting heroin into Vietnam.
Leaders ofDien Bien Border Guard said this is one of the largest professional drugtrafficking rings equipped with weapons.
In recent years Pa Hoc hamlet has become known for drug manufacturing and dealing.
The smuggling case is still under investigation.-VNA