The substance is being sold in small zip bags bearing the emblem of a black pitbull, police say.Read more
BBC Radio Guernsey
Guernsey Police said it's too early to know whether two girls who were hospitalised over the weekend after taking MDMA had taken a contaminated batch.
A 16-year-old girl remains in critical condition in hospital, while a 19-year-old woman was released on Sunday.
Det Insp Lisa Sylvester, who is investigating the case, said young people "shouldn't take a chance" with illegal drugs because "we don't know what's in them".
She added: "The effects can be life-changing, or even death."
Local Democracy Reporting Service
A woman has launched a petition to rid her hometown of a “heroin problem” after seeing a photograph on social media of someone injecting themselves in public in broad daylight.
Jodie Richards, 27, launched the petition calling on “Cornwall Council to formally address the heroin problem in St Austell Town Centre”.
The photo on Facebook was said to have been taken close to the Iceland supermarket in the town centre, prompting comments from some that they were concerned a drug problem in the town was out of control.
Ms Richards, who lives in the town, said: “I really appreciate that these people, you can’t just dump them somewhere else and make them someone else’s problem, but they need support and we need to make sure that they are being helped properly."
She said she was calling on all agencies involved in helping drug addicts in the town to be more open about what was being done to help them and protect the public, saying they "need to be transparent" and "tell us about what they are doing" as they "all seem to pass the buck from one another".
She added that she hoped her petition would spur people into action and said she had already been offered the chance to speak to local MP Steve Double and was also talking to Cornwall councillor Sandra Heyward.