Radioactive waste in Slovenia is stored safely
"Radioactive waste in Slovenia is stored safely and is under supervision. It is not used for making of any dirty bombs".
Sandi Viršek, Director, Slovenian Radioactive Waste Management Agency (ARAO)
Photo, used by the Russian Ministry of Foreign Affairs in its Twitter post (https://twitter.com/mfa_russia/status/1584547788335251462) is an ARAO photo from 2010. It was used for professional presentations for the general and interested public as an explanatory material. The photo shows smoke detectors that are subject to general use. They contain a radioactive source, but not any of radioactive sources listed in the table below the photo. The photo was published without the knowledge of ARAO.