🇸🇪 Over recent days, reports have multiplied of black-winged machines flying at night over a range of sensitive sites, including 3 nuclear power stations, a large water treatment plant and a royal palace. #sweden #government #aero #nuclear #industrial #drones #technologies #threats #military #scare #tactics #strategy #hybrid #warfare

https://www.politico.eu/article/mystery-drones-over-sweden-spark-security-scare/