Turkey has warned Russia and Ukraine to exercise greater caution regarding Black Sea security. This comes after its air force shot down a drone that entered Turkish airspace, according to the defense ministry.

NATO countries, including Canada, are falling behind Russia and China in the development of Arctic-capable drones — uncrewed aerial and land vehicles that are ideal for surveillance.

Russia said on Thursday that Ukraine had launched a major aerial attack with at least 287 drones downed over a number of regions including Moscow.

A Russian drone strike has pierced the heart of Chernobyl's protective shield, exposing the site of the 1986 nuclear disaster to new risks amid ongoing conflict. The International Atomic Energy Agency confirmed on December 6,