Overview
- The IAEA delegation reports the New Safe Confinement has lost key safety functions, heightening the risk of radioactive release.
- A Russian drone penetrated the outer cladding and inner wall in February and triggered a large fire, with responders cutting extra openings to extinguish it.
- The attack destroyed the NSC’s overpressure membrane that kept contaminants from reaching the exterior, though main structural and monitoring systems show no lasting damage.
- Only limited provisional roof work has been completed to date, and Director General Rafael Grossi calls for timely, comprehensive rehabilitation constrained by the ongoing war.
- The €2.2 billion, donor‑funded steel arch was designed to secure Reactor 4 for at least 100 years, and Ukraine is seeking support through the EBRD‑managed Chernobyl Shelter Fund.