🔗 Share this article Chornobyl Catastrophe Containment Structure No Longer Effectively Blocks Radiation, Requires Significant Repair – International Atomic Energy Agency The protective shield encasing the Chernobyl nuclear reactor within Ukraine can no longer perform its main safety function of blocking radiation, according to the International Atomic Energy Agency (IAEA). This failure follows a drone strike earlier this year that blew a hole in the protective shell. Structural Compromise from Aerial Attack Degrades Safety System A drone strike in February severely damaged the so-called “New Safe Confinement” structure. This massive shield, built at a cost of €1.5bn with work finishing in 2019, was designed to contain radiation for decades. An IAEA inspection last week found that the strike had weakened the 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 the mission confirmed no lasting harm to its load-bearing structures or monitoring systems. Background Context of the Chornobyl Containment The initial 1986 disaster at the Chernobyl plant – at a time when Ukraine was a republic within the USSR – released radioactive fallout over much of Europe. During a frantic containment effort, Soviet engineers built a concrete shelter over the ruined reactor, but it had a three-decade design life. The new confinement was erected to allow for the eventual dismantling of the old sarcophagus, the destroyed reactor hall, and the melted nuclear fuel within. Current Situation and Required Actions Although limited repair work has been done, agency officials emphasized that a full-scale repair effort is essential. This is required to stop additional deterioration and to ensure long-term nuclear safety. Ukrainian authorities previously reported that a unmanned aircraft armed with a powerful explosive hit the plant, causing a fire and compromising the outer shielding. Radiation Readings: Reports indicated background radiation stayed normal and stable following the attack with no indication of any leakage. Conflict Background: Russian forces occupied the Chernobyl exclusion zone for more than 30 days in the early phase of the full-scale war. Broader Inspection: The agency conducted this inspection concurrently with a nationwide survey of conflict-related damage to Ukraine's power substations. These developments highlight the persistent risks at one of the world's most infamous atomic accident locations during continued armed conflict.