A teenage girl from Liskeard suffered arm and leg injuries after an accident with a lorry at the fairground at St Matthew's Fair.
Police say the 14-year-old is thought to have fallen under the lorry which then ran over her.
A spokesman for South West Ambulance Service said: 'We attended an incident at the Cattle Market in Liskeard just after 10pm.
See this week's Cornish Times for the full article