The UK is the cocaine capital of Europe, the UN has said.
The United Nations Office on Drugs and Crime said the UK was Europe's largest cocaine market — with more than one million regular users.
But its report revealed the quality of the Class A drug has declined dramatically in recent years.
A crackdown on traffickers has pushed prices up and led to dealers cutting even more.
There are estimated to be around 140,000 users in Northern Ireland and Scotland combined.
COMMENT RULES: Comments that are judged to be defamatory, abusive or in bad taste are not acceptable and contributors who consistently fall below certain criteria will be permanently blacklisted. The moderator will not enter into debate with individual contributors and the moderator’s decision is final. It is Belfast Telegraph policy to close comments on court cases, tribunals and active legal investigations. We may also close comments on articles which are being targeted for abuse. Problems with commenting? email@example.com