Mephedrone, also known as Meow Meow, is a highly addictive drug, more potent than heroin and cocaine. Users often describe its effects as more intense than a collision with a train.
Singapore hanged a prisoner on Wednesday after he was convicted of a drug offence, the Asian city-state s 12th execution since last year. It is one of several dozen countries that continue to execute prisoners, including the United States, China, Iran, Egypt, and Saudi Arabia