A senior figure in the Ukrainian defence industry told New Scientist that a test took place two years ago involving fully autonomous drones set to destroy anything in a given area, with confirmed casualties
Source: [New Scientist](https://www.newscientist.com/article/2529849-fully-autonomous-drones-have-killed-human-soldiers-for-the-first-time/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home)