Det Supt Sukhbir Singh said officers would be speaking to the three and he also appealed for any other witnesses.

BBC: The burning barn

Det Sup Sukhbir Singh of West Yorkshire Police said Mr Webb's history of lying inevitably cast doubt over his version of events surrounding the tragedy.

BBC: Isobel Dobson's stepfather 'probably started' fire

Det Supt Sukhbir Singh, of West Yorkshire Police's Homicide and Major Enquiry Team, who is leading the investigation, said the Chishti family had suffered for 10 years.

BBC: Shahid Mohammed