How did the radiation got leaked in the Russia?

As of my last knowledge update in January 2022, I don’t have specific information on a recent radiation leak in Russia. It’s important to note that information related to such incidents may change over time, and new events may have occurred since then.

If there has been a recent radiation leak in Russia, I recommend checking reliable news sources, official statements from relevant authorities, or updates from international organizations for the latest and most accurate information on the incident. News agencies and official statements would provide details on the cause, extent, and response to any radiation leak.