German police and military forces are actively searching for unidentified drones observed over Schleswig-Holstein during the night of September 25th-26th, 2025, prompting increased border controls by Denmark. The Ministry of the Interior stated that espionage is suspected as the primary motive behind the drone activity. According to German Interior Minister Sütterlin-Waack, the sightings have led to a heightened state of alert in the region near the Danish border. The Ministry of the Interior confirmed its suspicion of espionage activities, leading to the strengthening of border controls by Denmark. This development occurs as Germany has recently committed billions to enhance its military equipment and is actively seeking to recruit more personnel. Details regarding the exact number of drones spotted or their specific flight paths have not been released. The incident follows a large fire alarm activation near the Rheinmetall defense company in Berlin's Gesundbrunnen district on the evening of September 26th, 2025, which involved approximately 40 firefighters.