🔗 Share this article Chernobyl Disaster Containment Structure Can No Longer Blocks Radiation, Requires Significant Repair – International Atomic Energy Agency A containment structure covering the Chernobyl reactor core in Ukraine can no longer perform its primary function of blocking radiation, according to the IAEA. This failure comes after a drone attack earlier this year that caused significant damage in the structure. Damage from Drone Strike Degrades Containment System A drone strike in February severely damaged the so-called “New Safe Confinement” arch. This massive shield, built at a cost of €1.5bn and completed in 2019, was designed to contain radiation over the long term. A recent IAEA assessment mission found that the strike had weakened the integrity of the steel confinement. The containment arch's main safety functions, such as confinement, are no longer operational, stated IAEA head Rafael Grossi. Grossi noted that inspectors found no permanent damage to key support structures or monitoring systems. Historical Context of the Chornobyl Containment The initial 1986 explosion at the Chernobyl plant – at a time when Ukraine was part of the USSR – released radiation over much of Europe. During a frantic response, Soviet engineers built a concrete “sarcophagus” over the ruined reactor, but it had a 30-year lifespan. The New Safe Confinement was erected to allow for the future decommissioning of the original structure, the destroyed reactor hall, and the molten fuel within. Present Status and Necessary Steps Although limited repair work has been done, agency officials emphasized that comprehensive restoration is essential. This is required to prevent further degradation and to guarantee long-term nuclear safety. Officials in Ukraine previously reported that a unmanned aircraft carrying a high-explosive warhead hit the plant, igniting a blaze and damaging the protective cladding. Radiation Readings: Authorities confirmed background radiation stayed normal and stable after the incident with no reports of radiation leaks. Geopolitical Context: Russian forces occupied the Chernobyl exclusion zone for more than 30 days during the initial stages of the full-scale war. Broader Inspection: The IAEA conducted this inspection concurrently with a country-wide assessment of conflict-related damage to Ukraine's power substations. The situation underscore the persistent risks at one of the the planet's most notorious atomic accident locations during ongoing hostilities.