Fire fighters had to use breathing apparatus and hose reel jets to put out a fire in a city flat today.

Eastern Daily Press: Norfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie SmithNorfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie Smith (Image: Archant)

Norfolk Fire and Rescue Service was called to the first floor flat on Union Street, off of the A147 in Norwich city centre, at 5.12pm, and had put the fire out by 5.30pm.

Three police cars and one unmarked emergency vehicle were also at the scene at 6pm.

The single bedroom flat was unoccupied.

Eastern Daily Press: Norfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie SmithNorfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie Smith (Image: Archant)

Watch manager Mick Hughs, of Carrow Fire Station, said: 'The fire investigation team are working with police to find the cause and origin of the fire.'

Eastern Daily Press: Norfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie SmithNorfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie Smith (Image: Archant)

Eastern Daily Press: Norfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie SmithNorfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie Smith (Image: Archant)

Eastern Daily Press: Norfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie SmithNorfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie Smith (Image: Archant)

Eastern Daily Press: Norfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie SmithNorfolk Fire and Rescue Service put out a fire at a first floor flat on Union Street, Norwich. PHOTO: Sophie Smith (Image: Archant)