A pensioner is in hospital with serious injuries following a crash which has prompted a police witness appeal. Officers were called to Northdown Road in Cliftonville following reports an Audi hit a person at 11.10am, Police attended with paramedics and the air ambulance while the main road was shut. A man in his 70s was taken to a London hospital with serious injuries following the incident involving a grey Audi. A 27-year-old man was arrested on suspicion of causing serious injury by dangerous driving and has since been bailed pending further enquiries. Anyone who witnessed the incident and h…