MOSCOW Deputy Head of Russia’s Security Council Dmitry Medvedev warned Tuesday that it would mean war if NATO were to introduce a no-fly zone above Ukraine and shoot down Russian drones. Medvedev, who served as the Russian president from 2008-2012, said on Telegram that he "found amusing" the European initiative, Eastern Guard. "But seriously, the implementation of the provocative idea by Kyiv and other fools to create a no-fly zone over Ukraine and the possibility for NATO countries to shoot