Ukraine had violated written guarantees to ensure the safety of the IAEA observers at the Zaporozhye NPP more than once, Mikhail Ulyanov noted BERLIN, March 6. /TASS/. Ukraine's criminal actions towards the International Atomic Energy Agency (IAEA) experts at the Zaporozhye Nuclear Power Plant (NPP) cannot be left unpunished, Russia’s Permanent Representative at International Organizations in Vienna Mikhail Ulyanov said. "We once again emphasize that Kiev's criminal actions cannot be left