Police have arrested a 42-year-old man in Werahera, Boralesgamuwa, with more than 6kg of heroin and crystal methamphetamine (ICE).

The raid was carried out by the Western Province North Crime Division.

Police seized 1.08kg of heroin and 5.02kg of ICE from the suspect.

Authorities say the suspect is believed to have links to overseas drug trafficking networks. Further investigations are underway.