🔗 Share this article Chornobyl Catastrophe Containment Structure No Longer Effectively Blocks Radiation, Needs Major Repair – International Atomic Energy Agency A containment structure covering the Chornobyl nuclear reactor within Ukraine can no longer perform its main function of blocking radiation, according to the IAEA. This loss of function comes after a drone strike earlier this year that blew a hole in the structure. Damage from Drone Strike Compromises Containment Structure An attack by an unmanned aerial vehicle in the second month of the year severely damaged the multibillion-euro “New Safe Confinement” structure. This massive shield, constructed for €1.5bn with work finishing in 2019, was intended to contain radiation for decades. An IAEA assessment mission confirmed that the drone impact had weakened the structural integrity of the steel confinement. The containment arch's main safety functions, such as confinement, are no longer operational, stated IAEA director general Rafael Grossi. He added that the mission confirmed no lasting harm to its load-bearing structures or sensor systems. Background Context of the Chornobyl Shelter The original 1986 explosion at the Chernobyl plant – at a time when Ukraine was part of the Soviet Union – released radiation across Europe. In a hurried response, Soviet authorities constructed a concrete shelter over the ruined reactor, though it possessed only a three-decade design life. The new confinement was erected to enable the eventual 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 comprehensive restoration is absolutely necessary. This is required to prevent further degradation and to guarantee safety for the coming decades. Ukrainian authorities had stated that a drone armed with a powerful explosive hit the plant, causing a fire and damaging the protective cladding. Radiation Levels: Reports indicated background radiation stayed normal and stable following the attack with no indication of radiation leaks. Conflict Background: Moscow's troops seized the Chernobyl exclusion zone for more than 30 days in the early stages 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 highlight the persistent risks at one of the the planet's most notorious atomic accident locations during continued armed conflict.