PUBLISHED: 07:14 12 June 2019 | UPDATED: 07:14 12 June 2019 Firefighters were called to tackle a blaze in a Norwich flat. Picture: DENISE BRADLEY Archant Seven fire crews have been tackling a blaze in a Norwich city centre flat. Fire crews were called to the fire in St Johns Street, off Mountergate, at just after 5.30am today (Wednesday, May 12). You may also want to watch: Crews from Carrow, Sprowston, Earlham, Hethersett, Wroxham, Wymondham and Loddon were called to the fire. They wore breathing equipment as they tackled the flames and used positive pressure ventilation to clear smoke from the flat. The last appliance left the scene at just after 7am.