🔗 Share this article Chornobyl Catastrophe Containment Structure No Longer Effectively Blocks Harmful Radiation, Needs Major Restoration – International Atomic Energy Agency A protective shield covering the Chornobyl nuclear reactor in Ukraine has lost its primary function of containing radioactive material, as announced by the IAEA. This failure comes after a drone attack in February that caused significant damage in the protective shell. Structural Compromise from Drone Strike Degrades Containment Structure An attack by an unmanned aerial vehicle in the second month of the year severely damaged the multibillion-euro “New Safe Confinement” structure. This enormous protective structure, built at a cost of €1.5bn and completed in 2019, was intended to seal off radioactive material for decades. A recent IAEA assessment mission found that the strike had weakened the structural integrity of the steel arch. The containment arch's main safety functions, such as confinement, are no longer operational, said IAEA head Rafael Grossi. Grossi noted that inspectors found no lasting harm to key support structures or sensor systems. Background Context of the Chernobyl Shelter The initial 1986 disaster at the Chernobyl plant – at a time when Ukraine was a republic within the USSR – spewed radiation over much of Europe. During a frantic response, Soviet engineers built a concrete “sarcophagus” over the ruined reactor, but it had a three-decade design life. The New Safe Confinement was erected to enable the eventual decommissioning of the original structure, the destroyed reactor hall, and the melted nuclear fuel itself. Present Status and Necessary Steps While some repair work has been done, the IAEA stressed that a full-scale repair effort is absolutely necessary. This is needed to prevent further degradation and to guarantee long-term nuclear safety. Officials in Ukraine previously reported that a unmanned aircraft armed with a high-explosive warhead hit the plant, causing a fire and compromising the outer shielding. Radiation Levels: Authorities confirmed background radiation remained normal and stable after the incident with no indication of radiation leaks. Conflict Background: Russian forces occupied the Chernobyl exclusion zone for more than 30 days in the early phase of the full-scale war. Wider Assessment: The agency conducted this review alongside a nationwide survey of war damage to Ukraine's power substations. The situation underscore the ongoing vulnerabilities at one of the world's most notorious atomic accident locations during ongoing armed conflict.