Tragically a boy aged four had died in hospital after being found In a swimming pool at Knapp House Activity Centre in Bideford on Monday, Devon and Cornwall Police said.
The boy was reported missing before being discovered in the swimming poor was rushed to hospital but doctors were unable to save him.
The boy had been part of a group trip organised by Narcotics Anonymous for its members and their families.
In a statement, Devon Narcotics Anonymous Campout Committee, who arranged the weekend, said something had “gone horrifically wrong” which resulted in the boy drowning at the site.
Police were alerted to the boy being missing on Monday 28 August at 2.55pm.
A spokesman for Devon and Cornwall Police said: “Following an extensive search assisted by the police helicopter, the child was located in a swimming pool at the site and taken to North Devon District Hospital where he was pronounced deceased.
“The boy’s next of kin have been informed and enquiries continue. Officers are investigating the circumstances and the death is currently being treated as unexplained.”
Knapp House Activity Centre describes itself as “a family run business. It was established in 1982 and has been owned and managed by the Clements family since 1979. The house is surrounded by 60 acres of farm land, which encompasses gardens, woodlands and fields. It is situated between the villages of Appledore and Northam, near Bideford in North Devon.”