A suspect was arrested by officers of the Peliyagoda Police Station after inspecting a suspicious motorcycle, during which a stock of heroin was discovered.
Police said the suspect was found in possession of 1 kilogram and 642 grams of heroin along with the motorcycle used at the time.
The arrested individual is a 37-year-old resident of the Colombo 12 area.
Further investigations are being carried out by Peliyagoda Police.