Sri Lanka, Oct. 17 -- The Police Special Task Force (STF) has arrested four suspects along with 683g of heroin.

The main suspect is said to be employed at the Dehiwala Zoological Garden.

Acting on a tip-off received by the STF officers last evening (16), a suspect was arrested while in possession of 100g of heroin.

It is reported that the 34-year-old suspect, Kasun Shehan Kaluwitharana, is a resident of both Badowita and Kawdana area in Dehiwala, the Police Spokesperson SP Ruwan Gunasekara said.

Further interrogations into this suspect had led to the arrest of another along with 100g of heroin at Kawdana area. This suspect, who is a zoo worker, is reportedly a 41-year-old named Nalaka Pushpakumara. He is a resident of Kalubowila area ...