Bedfordshire Fire and Rescue Service is currently attending a fire on Upper George Street in Luton.
They were called to reports of a fire in a derelict building just before 11.45am on 10 December.
Six engines and two aerial platforms are at the scene working to prevent further damage to the surrounding buildings which have been evacuated.
Police are encouraging people to avoid the area and to close their windows and doors.
These areas are currently closed off:
- Dunstable Place
- Alma Street
- Alma Link
- Part of Upper George Street