Emergency services were first called at around 11.45am to the B3254 at South Petherwin, near Launceston, following a collision involving a red Honda motorcycle and a red Volkswagen Polo. The rider, a 16-year-old boy from the local area, sustained serious injuries and remains in hospital in a life-threatening condition. The rider, a man in his 60s from St Austell, suffered life-threatening injuries and was taken to Derriford Hospital, where he remains in a critical condition. Anyone with information relating to the South Petherwin collision is asked to quote reference 50260206027, while information relating to the Castle an Dinas incident should quote log 813 of 4 August. Reports can be made via the Devon and Cornwall Police website or by calling 101.