MOSCOW, June 14. /TASS/. Russia will take the necessary measures to protect its security, if NATO deploys four new battalions in Eastern Europe, Russian presidential spokesman Dmitry Peskov has said.

"The Defense Ministry and the other agencies concerned naturally keep track of the changes in the location of foreign armed forces near our borders. They analyze all these movements and changes in the contingents and, certainly, take the necessary measures to perform their functions, such as the protection of Russia’s interests and security," Peskov said.