Radioactive material in the luggage of a passenger

Alarm sounded at the airport in Moscow when the Russian office detected radioactive material in one  baggage of a passenger that  was planning to travel to Tehran, .
This is a radioactive isotope, which could be produced only by nuclear reactors.
In particular, the competent authorities of Russia have identified the 18 metal pieces after activating radiation detectors and measurement showed radioactivity levels 20 times above the permitted limits.