Timeline

What happened: Throughout September 2025, Danish airports including Aalborg and Copenhagen Kastrup faced repeated drone incursions, causing flight cancellations and airspace closures.
What's happening now: Sweden's Prime Minister Ulf Kristersson has called an extraordinary government meeting on Monday, September 29, 2025, to finalize the loan of anti-drone systems to Denmark. Sweden is also providing support through its armed forces. Denmark has implemented a national drone ban for civilian drones during the EU summit.
What's next: The Swedish anti-drone systems are expected to be operational during the EU summit. Investigations into the drone incidents are ongoing in Denmark, with a focus on identifying the responsible actor.

Different Perspectives

Swedish Government: Views the situation with utmost seriousness, emphasizing solidarity with Denmark and the need to ensure the EU summit's security.
Danish Government: Expresses grave concern over the "hybrid war" attacks and has accepted Sweden's assistance, while also imposing a civilian drone ban.
NATO: Has reportedly increased its vigilance in the Baltic Sea region in response to the escalating security concerns.
Public: Travelers and residents in Copenhagen are experiencing anxiety and disruption due to the drone alerts and their impact on air travel.

What You Need to Know

Sweden is lending anti-drone radar systems to Denmark to protect against further incursions during an upcoming EU summit.
Multiple Danish airports have been targeted by drones in September 2025, leading to significant travel disruptions.
Danish authorities suspect a sophisticated actor, with Sweden's PM pointing towards Russia.
The incident highlights the growing threat of hybrid warfare and the vulnerability of critical infrastructure.

Regional Perspective

This incident underscores a heightened security landscape in the Nordic region. Sweden's proactive step to share advanced defense technology with Denmark not only addresses an immediate threat to a crucial international event but also strengthens the bilateral security relationship. It demonstrates a commitment to collective defense and a shared responsibility for regional stability, particularly in the face of potential state-sponsored provocations.

Why This Matters

Heightened Geopolitical Tension: The drone incidents and Sweden's response point to an escalating geopolitical climate in Northern Europe.
Vulnerability of Infrastructure: It reveals the susceptibility of modern infrastructure, including airports, to novel forms of attack.
EU Summit Security: The security of a major international gathering involving 44 heads of state is paramount, and these incidents pose a direct challenge to it.
Nordic Defense Cooperation: Sweden's support signifies a strengthening of practical defense cooperation within the Nordic countries.