[The Mirror] | Hidden contents of pills sold at start of festival season revealed amid warnings of ecstasy four times normal strength

Deadly super-strength pills containing terrifying psychoactive substances were sold to oblivious music fans this weekend, as the festival season got off to a tragic start.

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Research organisation The Loop - which carried out the tests - says it demonstrates how festival--goers who buy tablets are being misled, putting them at risk. [Read more]