Dublin, Ireland. **EMBARGO UNTIL 00.01 hrs, MONDAY MAY 22ND**. Pictured (left to right) is Sarah Egan, from the HSE National Drug Treatment Centre Laboratory, Sinead McNamara, Senior Biochemist, Hildegarde Naughton, Minister for Public Health, Wellbeing and the National Drugs Strategy, Ciara Smyth, HSE National Drug Treatment Centre Laboratory staff and Nicki Killeen, Emerging Drug Trends Project Manager, HSE at the launch of the HSE Safer Nightlife programme, a harm reduction campaign, aimed at people attending Irish music festivals this summer. #HSESaferNightlife. Photograph: Leon Farrell / Photocall Ireland