Updated: 3:12 PM February 19, 2021 A man has been taken to hospital following an incident on a river in Norwich that lasted eight hours. - Credit: Archant A man has been taken to hospital after emergency services were involved in an eight-hour incident on a river in Norwich. Norfolk police were called to Wherry Road at 2.30am on Friday following concerns for a man's safety in a canoe on Wherry Road. Emergency services attend an incident on the River Wensum in Norwich on Friday, February 19. - Credit: Archant Emergency services have been on the scene since 2.30am on Friday, February 19.