The arrest was carried out by officers attached to the Sri Lanka Police during a routine inspection conducted by the Tangalle Police.
Police seized a significant quantity of explosives from the vehicle, including 14 kilograms of gunpowder, 240 gelatin sticks, 350 kilograms of ammonia, 490 detonators, and approximately 5,600 feet of detonating wire.
The suspect, a 57-year-old resident of the Mulkirigala area, was taken into custody.
Preliminary investigations have revealed that the explosives were being transported for use in rock blasting activities.