Core Viewpoint - The investigation report on the major fire accident at Chengde Guo'en Nursing Home indicates that the incident was caused by a short circuit in a mobile power strip connected to an electric anti-decubitus mattress, leading to a rapid spread of fire and resulting in 20 fatalities [1] Group 1 - The fire occurred on April 8, 2025, at 21:15, in the nursing home located in Longhua County, Chengde City, resulting in 20 deaths [1] - The direct cause of the fire was identified as a short circuit in the power supply line of the electric mattress, igniting surrounding combustible materials [1] - The building's construction violated safety regulations, including the use of non-compliant materials such as polystyrene sandwich panels and inadequate fire resistance in ceilings and walls [1] Group 2 - The investigation concluded that the fire was a significant production safety responsibility accident due to the nursing home's failure to implement fire safety responsibilities, use of unqualified equipment, and ineffective initial emergency response [1] - A total of 21 individuals, including the nursing home management, have been transferred to judicial authorities for suspected criminal activities related to the incident [2] - The Hebei Provincial Commission for Discipline Inspection and Supervision has established a team to investigate and hold accountable 45 public officials responsible for the accident [2]

Core Viewpoint - The investigation report on the major fire accident at the Guoen Elderly Care Home in Longhua, Chengde, Hebei, reveals serious safety violations and negligence leading to the tragedy, which resulted in 20 fatalities [3]. Summary by Sections Accident Details - The fire occurred on April 8, 2025, at 21:15, caused by a short circuit in the power supply line of a mobile electric anti-decubitus mattress, igniting surrounding combustible materials and leading to rapid fire spread [3]. Investigation Findings - The investigation identified multiple failures, including the elderly care home's lack of fire safety responsibility, the use of unqualified mobile power strips, illegal construction and renovation practices, and inadequate initial fire emergency response [3]. Accountability Measures - A total of 21 individuals, including the operators of the Guoen Elderly Care Home, have been referred to judicial authorities. Additionally, a special investigation team has been established to hold 45 public officials accountable for their roles in the incident [3].