A total of eight risk alerts about high strength MDMA, cocaine, and ketamine were issued to users in real-time at festivals last year

'Rapid escalation' in the health response is crucial, event hears

The testing showed that MDMA that was tested at the festival ranged from 50mg to 246mg, showing the "diversity" of the MDMA—meaning that the public can't be sure of the purity and how they would react