🔗 Share this article Chernobyl Catastrophe Containment Structure No Longer Blocks Harmful Radiation, Needs Significant Repair – IAEA A containment structure encasing the Chernobyl reactor core within Ukraine has lost its primary function of blocking radiation, as announced by the International Atomic Energy Agency (IAEA). This failure comes after a drone attack earlier this year that blew a hole in the structure. Damage from Drone Strike Compromises Safety Structure A drone strike in February caused a breach in the so-called “new safe confinement” structure. This enormous protective structure, built at a cost of €1.5bn with work finishing in 2019, was designed to seal off radioactive material for decades. An IAEA assessment mission confirmed that the drone impact had weakened the structural integrity of the steel arch. The [protective structure] had lost its primary safety functions, including the confinement capability, stated IAEA director general Rafael Grossi. He added that the mission confirmed no permanent damage to key support structures or sensor systems. Historical Context of the Chernobyl Shelter The original 1986 disaster at the Chernobyl plant – which occurred when Ukraine was part of the Soviet Union – released radiation across Europe. During a frantic response, Soviet authorities constructed a concrete shelter over the damaged reactor, but it had a 30-year lifespan. The New Safe Confinement was constructed to enable the future decommissioning of the original structure, the damaged reactor building, and the melted nuclear fuel itself. Current Situation and Required Actions Although limited repairs have been carried out, agency officials stressed that a full-scale repair effort is absolutely necessary. This is needed to prevent further degradation and to ensure long-term nuclear safety. Ukrainian authorities had stated that a unmanned aircraft carrying a high-explosive warhead hit the plant, igniting a blaze and compromising the protective cladding. Radiation Readings: Authorities confirmed background radiation stayed within safe limits following the attack with no reports of radiation leaks. Conflict Background: Russian forces occupied the Chornobyl site for more than 30 days during the initial phase of the full-scale war. Broader Inspection: The agency conducted this inspection alongside a country-wide assessment of conflict-related damage to the country's electricity infrastructure. These developments underscore the ongoing vulnerabilities at one of the the planet's most infamous nuclear disaster sites amid ongoing armed conflict.