🔗 Share this article Chernobyl Disaster Shelter No Longer Blocks Harmful Radiation, Requires Significant Repair – International Atomic Energy Agency A containment structure covering the Chernobyl nuclear reactor within Ukraine can no longer perform its main function of blocking radiation, according to the International Atomic Energy Agency (IAEA). This loss of function comes after a drone strike in February that caused significant damage in the structure. Damage from Aerial Attack Compromises Containment Structure A drone strike in the second month of the year caused a breach in the so-called “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 confirmed that the strike had degraded the structural integrity of the steel arch. The [protective structure] had lost its primary safety functions, including the confinement capability, stated IAEA head Rafael Grossi. Grossi noted that the mission confirmed no permanent damage to key support structures or monitoring systems. Background Context of the Chernobyl Containment The initial 1986 explosion at Chornobyl – at a time when Ukraine was a republic within the USSR – released radiation across Europe. During a frantic response, Soviet authorities built a concrete shelter over the damaged reactor, though it possessed only a 30-year lifespan. The new confinement was erected to allow for the future dismantling of the old sarcophagus, the destroyed reactor hall, and the melted nuclear fuel within. Current Situation and Necessary Steps Although limited repair work has been done, the IAEA emphasized that a full-scale repair effort is absolutely necessary. This is required to prevent further degradation and to ensure safety for the coming decades. Officials in Ukraine previously reported that a unmanned aircraft armed with a high-explosive warhead struck the plant, igniting a blaze and compromising the protective cladding. Radiation Levels: Reports indicated radiation levels remained within safe limits after the incident with no indication of radiation leaks. Geopolitical Context: Moscow's troops occupied the Chernobyl exclusion zone for more than 30 days during the initial phase of the full-scale war. Broader Inspection: The IAEA carried out this review alongside a country-wide assessment of conflict-related damage to Ukraine's power substations. The situation highlight the ongoing vulnerabilities at one of the world's most infamous nuclear disaster sites amid continued hostilities.