A man has been arrested on on suspicion of producing Class B drugs after a roof collapsed in a house fire in Bradford.

The blaze broke out in the early hours of Friday morning at a semi-detached property in Holybrook Gardens, Greengates.

Fire crews and paramedics were called to the scene.

A West Yorkshire Police spokeswoman said the 30-year-old man was arrested in suspicion of conspiracy to produce Class B drugs.

He has been released pending further enquiries.