Drones are “ubiquitous, because they are quite useful, and they're demonstrating that every day in Ukraine,” one analyst told NBC News.

Russian President Vladimir Putin told Donald Trump in a telephone conversation on Wednesday that Moscow would have to respond to the recent Ukrainian drone attacks, the U.S. President said.Trump said the two men "discussed the attack on Russia’s docked airplanes,

Ukraine unleashed more than a hundred drones smuggled deep into Russia in what it called its most damaging attack yet.