A mushroom cloud over Ukraine caused horror among many observers. Did nuclear material explode? Research sheds light on the matter.
The claim on the Internet is mostly this: The weapons depot hit by the Russians was home to uranium-depleted ammunition that Britain had supplied to Ukraine. For the International Atomic Energy Agency (IAEA), depleted uranium is mainly a toxic chemical and does not pose a radiation hazard. In addition, Russia's ruler Vladimir Putin's comparison to real nuclear weapons is "largely unfounded"