Interior Minister Alexander Dobrindt told the newspaper Bild am Sonntag that foreign powers wanted to subdue Germany politically and socially by stirring up fear there.
"We're not at war, but we are the daily target of hybrid warfare," Dobrindt said. "Espionage, sabotage, cyberattacks, or covert operations by foreign powers aimed at destabilising Germany or inflicting direct harm are a constant reality."
After the drone loaded with explosives was discovered at the airport in eastern Germany on Tuesday, some politicians pointed the finger at Russia, which has been at war with Ukraine since its military invasion of the country in 2022.
The Russian embassy in Berlin on Friday dismissed the Leipzig event as a "fabricated provocation", saying it was another example of accusations against Russia without evidence.
Dobrindt, a member of the conservative Christian Social Union, had called the Leipzig incident a "hybrid attack scenario," and left open possible involvement by foreign powers.
Germany's armed forces on Saturday said two drones were spotted late on Thursday over a German military base site in Mechernich, in the western state of North Rhine-Westphalia.
Dobrindt highlighted the expansion of drone research in Germany as part of the response to the new threats.
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