Bristol
Trials are being held in London, Bath, Birmingham, Bristol and Nottingham.
Mike and Terry insist their neighbours love it – and for a good reason.
Natasha Abrahart was just 20 when she died suddenly in April.
Authorities have highlighted the "distressing" effect of the drug.
Bosses hope new system will encourage more "proactive" support.
The bottles come with a list of local businesses willing to fill them up.
The victim remains in hospital.
Dexter Bristol's mother blamed his passport problems for his death.
Eleven students have died at Bristol since 2016. Friends of Justin Cheng, who killed himself in January, share their story – and say more could have been done to help him.
There have been 11 deaths in 2 years, prompting questions over the care available to vulnerable students.