Thousands of people from across the ITV Anglia region have been enjoying the music at this year's V Festival in Chelmsford. Scientists from the Government's Centre for Applied Science and Technology have been examining samples of so-called legal highs at the Festival. It comes as 16 people have been thrown out of the event and arrested on suspicion of possessing a controlled drug. Serena Sandhu reports
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Her parents describe it as her "moment of madness" - when 20-year-old Amy Vigus took the drug ecstasy while at a music festival.