A man has been charged in connection with the sexual assault of three boys during the 1970s.
Allan Pettinger, 60, from Renishaw, has been charged with four counts of indecent assault against three boys aged nine and ten-years-old between 1972 and 1978.
Pettinger was a leader with the Eckington St John Ambulance Cadets during the 1970s.
Two of the assaults are alleged to have taken place during camping trips with the St John Ambulance Cadets in the Peak District and Rhyl in Wales.
Pettinger will appear before magistrates in Chesterfield on September 16.
Detectives are appealing for anyone with information about the assaults to contact Dronfield CID on 101 or Crimestoppers anonymously on 0800 555 111.