You can read more on the incident as we get updates here.
Our photographer Neil Cross captured these images a short time ago.
5. Preston city centre fire
The latest scenes are firefighters battle the blaze. Photo: National World
6. Preston city centre fire
The latest scenes are firefighters battle the blaze. Photo: National World
7. Preston city centre fire
The latest scenes are firefighters battle the blaze. Photo: National World
8. Preston city centre fire
The latest scenes are firefighters battle the blaze. Photo: National World