The 16-year-old boy found collapsed on Denaby Main in South Yorkshire - who later died - has been named as Liam David Gill from Denaby.
Police believe drugs were involved but a post mortem conducted yesterday proved inconclusive with further tests required to establish the cause of death.
His death is not being treated as suspicious but police have now arrested six people in connection with the incident.
The six, a 45-year-old woman and five males aged between 15 and 39-years-old, have been arrested on suspicion of supplying drugs and released on bail pending further enquiries.
Anyone with information about the incident should contact South Yorkshire Police on 101.
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