A 76 -year -old man has been accused after the children fell ill at a summer camp in Lessestershire.
An investigation was initiated by Eight children and an adult at the camp at eight children and Statharns Lodge, Stathry by the Leesestershire police, rushed to the hospital on Monday. Everyone has been discharged since then.
Police Watchdog, Independent Office for Police Conduct (IOPC) said it was investigating the incident to deal with the force.
John Ruben of the Landmere Lane in Rudington, Nottinghamshire has been accused with three cases of ill -treatment of a child belonging to three children.
He has been sent to custody and will appear in the Lacester Magistrate Court on Saturday.
Police said they received a report for the first time that the children became unwell on Sunday at a summer camp on the site.