IAEA says that it has been informed that a cooling tower at a reactor of Russia's Kursk nuclear power plant was stuck by a drone early on Thursday

The precedent from prior episodes is that damage confined to cooling infrastructure rather than the reactor itself has limited radiological significance but still drives a headline risk premium, with the transmission running through European gas and power contracts given the sensitivity of front-month TTF to any nuclear safety tail risk in the region. The IAEA's phrasing, that it has been 'informed' rather than having verified, is the standard posture where the agency lacks on-site access; past instances at contested plants have shown the agency typically confirms or qualifies within days. The distinction that matters operationally is whether the facility was generating at the time and whether any reactor safety systems were affected, since offline or shutdown units carry materially less risk. Follow-ons worth noting are any Russian regulatory statement, IAEA confirmation, and whether either side escalates attribution into formal accusations at the Security Council, which has been the usual diplomatic path in comparable episodes.