The Russia-Ukraine war has created the perfect conditions for radioactive material to be smuggled into the "wrong hands" and be used in a dirty bomb, it has been claimed.
The Zaporizhzhia nuclear power plant in Ukraine, which is now under Russian control, has become the target of repeated artillery attacks during the war, which has lead to issues with its power supply.
As the largest nuclear site in Europe, a meltdown would pose a significant risk for the continent.