Police are investigating the deaths of a mother, father, and their nine-year-old son after the family falls from a high-rise residential building in London. The incident involves a suspected murder-suicide, according to reports from the outlets provided. The child is described as terminally ill, and coverage states that the boy was recently discharged from hospital and sent home to die. Following the tragedy, investigators treat the circumstances as suspicious, with officials and media focusing on the possibility that the adults’ deaths were connected to the child’s medical condition. The building is described as a luxury tower block. Authorities have not, in the provided material, released definitive conclusions about motive, method, or the sequence of events. The reports align on the core facts: the family members involved, their ages, the location in London, the method of death (falling from height), and the working theory that investigators are considering murder-suicide as the leading explanation.