🔗 Share this article Chernobyl Disaster Containment Structure Can No Longer Effectively Blocks Radiation, Requires Significant Repair – International Atomic Energy Agency A containment structure covering the Chernobyl nuclear reactor in Ukraine has lost its main safety function of blocking radiation, as announced by the IAEA. This loss of function follows a drone attack in February that caused significant damage in the protective shell. Damage from Drone Strike Degrades Safety System A drone strike in February severely damaged the multibillion-euro “New Safe Confinement” arch. This enormous protective structure, built at a cost of €1.5bn with work finishing in 2019, was intended to seal off radioactive material over the long term. A recent IAEA assessment mission found that the strike had weakened the structural integrity of the steel confinement. The [protective structure] had lost its primary safety functions, including the confinement capability, said IAEA director general Rafael Grossi. Grossi noted that inspectors found no permanent damage to its load-bearing structures or monitoring systems. Background Context of the Chornobyl Containment The original 1986 disaster at Chornobyl – at a time when Ukraine was part of the USSR – released radioactive fallout across Europe. During a frantic containment effort, Soviet engineers constructed a concrete “sarcophagus” over the damaged reactor, though it possessed only a three-decade design life. The New Safe Confinement was constructed to enable the future dismantling of the original structure, the destroyed reactor hall, and the melted nuclear fuel itself. Present Status and Required Actions While some repair work has been done, the IAEA emphasized that a full-scale repair effort is essential. This is needed to stop additional deterioration and to ensure safety for the coming decades. Officials in Ukraine had stated that a drone carrying a powerful explosive struck the plant, causing a fire and damaging the protective cladding. Radiation Levels: Authorities confirmed background radiation remained within safe limits after the incident with no reports of radiation leaks. Conflict Background: Russian forces seized the Chornobyl site for more than 30 days during the initial phase of the 2022 invasion. Broader Inspection: The IAEA conducted this review alongside a nationwide survey of war damage to Ukraine's power substations. The situation highlight the persistent risks at one of the the planet's most infamous nuclear disaster sites amid ongoing armed conflict.