🔗 Share this article Chornobyl Catastrophe Shelter Can No Longer Effectively Blocks Radiation, Requires Significant Repair – IAEA A containment structure covering the Chernobyl nuclear reactor in Ukraine can no longer perform its main function of containing radioactive material, according to the International Atomic Energy Agency (IAEA). This loss of function follows a drone strike in February that caused significant damage in the structure. Structural Compromise from Aerial Attack Compromises Containment Structure An attack by an unmanned aerial vehicle in February caused a breach in the so-called “New Safe Confinement” arch. This massive shield, built at a cost of €1.5bn with work finishing in 2019, was designed to seal off radioactive material over the long term. An IAEA assessment mission found that the drone impact 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. He added that inspectors found no lasting harm to its load-bearing structures or monitoring systems. Background Context of the Chornobyl Containment The original 1986 disaster at the Chernobyl plant – which occurred when Ukraine was a republic within the USSR – spewed radiation 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 dismantling of the old sarcophagus, the destroyed reactor hall, and the molten fuel itself. Present Status and Necessary Steps While some repairs have been carried out, the IAEA emphasized that comprehensive restoration is essential. This is needed to stop additional deterioration and to guarantee safety for the coming decades. Officials in Ukraine had stated that a unmanned aircraft armed with a powerful explosive struck the plant, causing a fire and damaging the outer shielding. Radiation Levels: Reports indicated background radiation remained within safe limits following the attack with no indication of radiation leaks. Geopolitical Context: Moscow's troops seized the Chernobyl exclusion zone for over a month in the early stages of the full-scale war. Wider Assessment: The agency carried out this inspection alongside a country-wide assessment of conflict-related damage to the country's electricity infrastructure. These developments highlight the ongoing vulnerabilities at one of the world's most infamous nuclear disaster sites during ongoing hostilities.