The source of the fire at the site of the Derby Assembly Rooms is the top floor of a multi-storey car park.
More than 50 firefighters are on scene trying to tackle the blaze, and performances at the venue have been cancelled tonight.
Find out which shows have been cancelled or rescheduled at the Assembly Rooms after a major fire broke out at the car park next door.
Sarah Millican reschedules dates after Assembly Rooms fire.
The Derby Assembly Rooms will be closed for at least 8 weeks after fire, as pictures show the 'extensive' damage.