Ukrainian troops inflicted a massive blow on the military part of the air defense, which ensures the security of Luhansk, Reported LPR People's Militia Officer Andrei Marochko. "VFU (armed formations of Ukraine - ed.) inflicted a massive blow on the military part of the air defense, which ensures the security of the city Lugansk. At the moment, all measures have been taken to ensure the safety of civilians," Marochko wrote in his Telegram channel.