Emergency services respond to a multi-vehicle road crash on the A30 in Cornwall near Connor Downs shortly before 11am on Friday. Police say the incident involves multiple vehicles and they are called to the scene around that time. Following the collision, an eight-year-old boy dies at the scene, according to reports. A second child, aged five, is taken to hospital with serious injuries. Multiple outlets later report that the five-year-old boy dies in hospital. Police confirm that a man in his 60s is arrested in connection with the incident. The arrest is reported as being on suspicion of causing death by dangerous driving and causing serious injury by dangerous driving. One outlet adds that the man is released under investigation. The specific circumstances of the crash and the number of vehicles involved are not detailed consistently across the reports.