Russian President Vladimir Putin warned Western powers against imposing a no-fly zone over Ukraine, an operation that has been demanded by Ukrainian President Volodymyr Zelensky but rejected by NATO. “Any movement in this direction will be considered by us as participation of the respective country in an armed conflict,” Putin said on Saturday at a meeting with pilots of the state airline Aeroflot. NATO Secretary General Jens Stoltenberg, US President Joe Biden and European countries have repeatedly ruled out creating a no-fly zone to protect Ukraine from Russia’s aerial bombardment. They fear…