Roumen Sedefov Head of unit, Risks to public safety and security, EMCDDA Lisbon, Portugal In programme November 23 15:00 to 16:30 November 24 13:20 to 14:50 View hours & dates Hours & Dates Wednesday, 23 November 15:00 Drug Early Warning Systems – the key to preparedness and response to new psychoactive substances 15:00 to 16:30Central square 2 (C2) Structured session Thursday, 24 November 13:20 The globalised illicit drug market 13:20 to 14:50Main stage Structured session