A man and a 23-year-old were detained over a house fire in Grangetown that killed a seven-year-old girl and her aunt. The two were released without charge. The incident occurred in a residential property where the fire reportedly started quickly. Emergency services responded to the scene and managed to contain the blaze. Authorities are investigating the cause of the fire and the circumstances surrounding the deaths. No arrests have been made, and the case remains under review. The family of the victims has not commented publicly. The fire department confirmed the area was evacuated as a precaution. Local residents expressed concern over the incident. Further details are expected as the investigation continues.