Police have arrested three males and a female in Maswewa, in the Mawathagama Police division, with 15g of heroin, a sword, three banned knives and an animal hide believed to be of a tiger.
Police said Rs. 146,000 were also found in their possession.
The arrested individuals are aged between 41 and 55 and residents of Pilessa.
It was revealed that one of the suspects had committed nearly 50 robberies.
The group is due to be produced before the Pilessa Magistrate’s Court.