The family of an elderly woman who was set on fire outside a block of flats in Watford have said that they are “desperate for answers”.

Brenda Raymond, 80, was found set alight outside her flat on Caractacus Cottage View on Monday. She was taken to a nearby hospital, where she is in critical condition.

Hertfordshire constabulary have said that a 33-year-old man was arrested on suspicion of conspiracy to commit arson with intent to endanger life but has been released on bail with strict conditions.

Raymond’s family said the attack had left them in “complete shock” and that they were confused over why she was targeted.

In a statement issued via Hertfordshire constabulary, they said: “Words cannot describe how distressing the past few days have been for us as a family.

“Our beautiful, chatty, fun-loving and much-loved Brenda, who loves to keep fit and dancing, has suffered catastrophic injuries in the most devastating of circumstances; circumstances which have left us all in complete shock.

“We simply…