The 17-year-old was involved in a crash with a van on Pettis Road at 9.30pm. He was treated by Magpas Helimedix before being taken to Hinchingbrooke Hospital, Huntingdon, where he arrived in a stable condition. A second person was also on the motorbike, but was not taken to hospital. A spokesman for Cambridgeshire police said officers are searching for the van driver as the vehicle failed to stop. She added the van had been found. INFORMATION: If you have any information about the incident, call Cambridgeshire police on 101 or Crimestoppers, anonymously, on 0800 555 111.