7 out of top 10 regions for confiscations are in Siberia or Russian Far East.
Premier Dmitry Medvedev bans 'spice' ingredients after 7 deaths and mass poisoning in western Siberia.
The municipal heating system burns narcotics including heroin seized from traffickers.
Three girls in coma after using lethal designer narcotics during their game.
Hallucinations from new synthetic substance made man think his home was full of gas and he needed to save his son.
Forensic tests underway in America as mother appeals for Russian witnesses, alleging 'foul play' and police 'cover-up’.
After her ordeal, Yulia Romanova, 34, cannot yet speak in intensive care: what dark secrets is she trying to tell?