Self-destructing drones play a key role in Russia’s strategy to strike cities and civilian infrastructure in Ukraine. Clues in videos and photos indicate that unmanned aerial vehicles are provided by Iran, despite Moscow’s denials. Illustration: Adam Adada Russia-Ukraine Conflict WSJ’s latest news coverage around the 2022-2023 Russia-Ukraine conflict. More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com/ Visit the WSJ Video Center: https://wsj.com/video On Facebook: https://www.facebook.com/pg/wsj/videos/ On Twitter: https://twitter.com/WSJ On Snapchat: https://on.wsj.com/2ratjSM #Russia #Ukraine #WSJ