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