Media reports revealed that 4 Russian planes, used to carry nuclear bombs, flew over the Kaluga region, between the capital Moscow and the Ukrainian border.
The planes are believed to be Russian Tu-95s, known as “Bears”, adding that they flew in close proximity to potential targets in Ukraine.
The Russian Defense Ministry did not confirm the purpose of the flights.
Ukrainian President Volodymyr Zelensky has warned the world not to prepare for a “possible Russian nuclear attack,” saying that nuclear weapons might not be ruled out in the ongoing battle.
