Psychoactive drug users 'less bothered' at being seen
Agencies working with drug users in north Wales have said so-called new psychoactive substances are proving tough to tackle.
NPS - which can leave users slumped and unresponsive - are cheap and not necessarily illegal.
Earlier this month, photographs appearing to show people under the influence of the drugs in Wrexham were shared widely.
Carry Burton, a harm reduction manager at Betsi Cadwaladr University Health Board, said people taking the drugs seem "less bothered" about being seen.