from Sputnik News:
Five people were detained for trying to export a kilogram of radioactive caesium-137 to use it to the detriment of Russian interests during a special operation, the Russian Federal Security Service (FSB) said.
The Russian Federal Security Service said that those suspected of trying to smuggle caesium-137 out of the country to discredit Russia had been arrested and are confessing. A case was opened on the illegal handling and smuggling of radioactive substances.