🔗 Share this article Chernobyl Disaster Containment Structure No Longer Blocks Radiation, Requires Major Restoration – IAEA A protective shield encasing the Chornobyl nuclear reactor in Ukraine has lost its main function of containing radioactive material, according to the IAEA. This failure follows a drone strike in February that blew a hole in the structure. Structural Compromise from Drone Strike Degrades Safety Structure An attack by an unmanned aerial vehicle in February severely damaged the multibillion-euro “new safe confinement” arch. This enormous protective structure, constructed for €1.5bn and completed in 2019, was intended to contain radiation over the long term. An IAEA inspection last week confirmed that the drone impact had degraded the integrity of the steel confinement. The [protective structure] had lost its primary safety functions, including the confinement capability, said IAEA director general Rafael Grossi. He added that inspectors found no lasting harm to its load-bearing structures or sensor systems. Historical Context of the Chornobyl Shelter The original 1986 disaster at Chornobyl – at a time when Ukraine was a republic within the Soviet Union – released radioactive fallout across Europe. In a hurried containment effort, Soviet engineers constructed a concrete “sarcophagus” over the damaged reactor, but it had a three-decade design life. The new confinement was constructed to allow for the future decommissioning of the old sarcophagus, the damaged reactor building, and the molten fuel within. Current Situation and Necessary Actions While some repairs have been carried out, agency officials stressed that a full-scale repair effort is absolutely necessary. This is needed to stop additional deterioration and to guarantee safety for the coming decades. Ukrainian authorities had stated that a unmanned aircraft carrying a high-explosive warhead hit the facility, igniting a blaze and damaging the outer shielding. Radiation Levels: Authorities confirmed background radiation remained normal and stable following the attack with no indication of any leakage. Geopolitical Context: Moscow's troops seized the Chernobyl exclusion zone for more than 30 days in the early phase of the full-scale war. Broader Inspection: The agency conducted this review alongside a country-wide assessment of conflict-related damage to Ukraine's power substations. These developments underscore the persistent risks at one of the world's most infamous atomic accident locations during ongoing armed conflict.