Russian President Vladimir Putin observed exercises by his country¡¯s strategic nuclear forces on October 26, 2022, according to the Kremlin. Defence Minister Sergei Shoigu told Putin that the drills focused on the forces¡¯ ¡°response to an enemy nuclear strike¡±. Russian officials have made repeated unsubstantiated claims in recent weeks, accusing Ukraine of planning to use a radioactive ¡®dirty bomb¡¯.