Avon and Somerset Police wrote on their Glastonbury-related Twitter account:
Unfortunately the man taken ill after a suspected reaction to ketamine has died this morning. His family are aware and being supported.
More top news
A Royal Marine from Northern Ireland who built explosives for an Irish republican paramilitary group had 43 hides, a court has heard.
A gay man has spoken of pain he suffered as a young boy when doctors gave him chemicals and electric shocks in attempt to 'cure' him.
Showers in the north tonight, elsewhere mostly dry.