Russian drones were detected over Romanian territory and a passenger train travelling from Kyiv to Warsaw was hit near the Polish border, raising alarm across NATO’s eastern members and prompting a swift increase in alliance readiness, officials said.
Romanian Airspace Breached
Romanian air defence forces reported a series of unmanned aerial systems entering national airspace in the past 48 hours. An F‑16 fighter, operating under a joint NATO air‑policing mission, shot down a sea‑borne drone in the Black Sea, while debris from multiple small drones washed up on Romanian beaches, according to local media. Ukrainian outlets noted that the same wave of drones has also been spotted over neighbouring Moldova.
"Barbarii ruși sunt la porțile voastre, dragi parteneri" – Russian barbarians are at your doors, dear partners.
The quote, published by ProTV, reflects the growing frustration in Bucharest, where President Klaus Iohannis and Defence Minister Alexandru‑Ioan Vasile have called for stronger NATO air‑patrols. The incidents have become Romania’s top domestic story, with citizens fearing a spill‑over of the war that has already pushed the country’s borders closer to active combat zones.
Train Strike Near Poland
At approximately 09:30 GMT, a passenger train on the Kyiv‑Warsaw line was struck by a Russian‑launched drone while travelling close to the Polish border in western Ukraine. Ukrainian officials confirmed the hit, saying the drone caused damage to the train’s carriage but did not result in mass casualties. The incident was reported by Politico.eu, Firstpost and TVP World, which described the attack as part of what they called “Putin’s terror at NATO’s door”. Euromaidan Press added that the strike coincided with a broader swarm of drones that penetrated deeper into western Ukraine.
Polish authorities also reported an explosion near a truck close to the border, and media outlets in Poland noted that several “missile drones” crossed into Polish airspace, prompting temporary road closures and civilian alerts.

NATO Mobilises on Eastern Flank
In response, NATO’s Supreme Allied Commander Europe ordered an increase in air patrols across the alliance’s eastern sector. The Royal Air Force tested its A400M transport aircraft on grass runways in Poland, a move designed to demonstrate logistical flexibility amid the drone threat, as reported by Defence Industry Europe. The RAF also announced a boost in readiness, echoing statements from the British Ministry of Defence that NATO must adopt a more aggressive posture to compel Russia to divert troops from Ukraine.
Additional NATO fighters were scrambled to Lithuania after a flock of birds was initially misidentified as a drone threat, illustrating the heightened state of alert and the challenges of distinguishing genuine incursions from false alarms, according to The Independent.
Analysts note that the drone incursions represent a shift in Russian tactics, extending the conflict beyond conventional artillery and missile strikes. By targeting transport infrastructure and using sea‑based unmanned systems, Moscow appears to be testing NATO’s response times and the resilience of member states’ air‑defence networks.
The series of events has intensified diplomatic pressure on NATO to provide additional air‑defence assets to Romania and other vulnerable members. While the alliance has not disclosed exact numbers of aircraft deployed, officials indicated that the joint air‑policing mission will remain in place “until the threat subsides”, as stated by a senior NATO spokesperson.

For Romania, the incursions underscore a broader security dilemma: the country sits on NATO’s southeastern flank, shares a Black Sea coastline, and borders Ukraine, making it a potential flashpoint in any escalation. The government has urged citizens to stay vigilant, while opposition parties have criticized the current administration for perceived delays in modernising Romania’s air‑defence capabilities.
As the drone war expands, NATO’s eastern members are likely to see further deployments and joint exercises aimed at countering unmanned threats, a development that could shape the security architecture of the region for months to come.