A man has been arrested on suspicion of murder following a "devastating" house fire in Bradford which killed four people.

Emergency services had descended on a property in the city's Westbury Road in the early hours of Wednesday morning - and the fire service had alerted police to the nature of the blaze just after 2am.

West Yorkshire Police said a 29-year-old woman was "tragically" pronounced dead at the scene, while three children - one as young as one year old - died after being taken to hospital.

A 39-year-old man was arrested on Westbury Road on suspicion of murder and was also taken to hospital with critical injuries, police said.

Detective Chief Inspector Stacey Atkinson from West Yorkshire Police's homicide and major enquiry team said: "This is an absolutely devastating incident in which three children and a woman have lost their lives.

"Our thoughts remain with their family, friends and loved ones.

"Early enquiries show that the fire was started deliberately, and we have arrested one man on suspicion of murder.

"He is seriously ill in hospital today as a result of injuries caused by the fire.

"While our enquiries are at an early stage, we do at this time believe the incident is domestic-related.

"We are appealing anyone who was in the area at the time of the incident or who has CCTV or doorbell footage to come forward."

Atkinson added: "Specially trained officers are supporting the family, and we are working with local neighbourhood officers to carry out enquiries and provide reassurance in the area."

GB News has approached the West Yorkshire Fire and Rescue Service for comment.