A mum-of-four who killed a “gregarious” grandfather in a hit-and-run has been jailed for four years. Naomi North, who has three previous convictions for drink-driving, mowed down disabled 72-year-old Bill Roache while he was using a Pelican crossing in New Road, Chatham on August 10 2020. Maidstone Crown Court heard the 30-year-old then drove off, with the windscreen on her Ford Fiesta smashed and leaving the dying pensioner, who had suffered multiple injuries, in the road. North, of Church Road, Swanscombe, then spent the night in a park before walking to see her sister, who called the police…