Electric Picnic have issued a warning to festival goers over a high strength drug that is in circulation at the event.
In a message posted on the Electric Picnic App, they urged caution.
They said: “High strength MDMA is in circulation at Electric Picnic.
“MDMA is causing medical emergencies including fits.
“Treat all pills, powders and crystals with caution.
“Don’t be afraid to get medical help if you or a friend feel unwell after using drugs.”