For days, the skies above Lithuania have been anything but calm. Over the past week, a series of balloon incursions from neighboring Belarus has forced Lithuania’s hand, prompting dramatic airport closures, border shutdowns, and a sweeping new security doctrine that’s sending shockwaves through the region. The government in Vilnius, led by Prime Minister Inga Ruginienė, is now taking unprecedented steps to counter what it calls a "hybrid attack"—one that mixes cigarette smuggling with a pointed test of Europe’s eastern defenses.
The trouble started on a Friday evening, when suspected smuggling balloons drifted into Lithuanian airspace, disrupting flights at Vilnius Airport. The disruption was not a one-off: similar incidents occurred on Saturday and Sunday, causing repeated suspensions of air traffic. According to Baltic News Service, these closures affected 112 flights and more than 16,500 passengers over the weekend alone. Kaunas Airport, further from the Belarusian border, was not spared either, with balloon sightings causing additional delays and diversions.
By Monday, October 27, the Lithuanian government had had enough. Prime Minister Ruginienė emerged from a tense meeting of the National Security Commission with a message that left little room for ambiguity: "We are ready to take even the most severe actions when our airspace is violated." She announced that Lithuania would begin shooting down any balloons used to smuggle cigarettes from Belarus, with the army already taking "all necessary measures" to enforce this new policy.
But the crackdown didn’t stop there. Lithuania’s two border crossings with Belarus, at Medininkai and Šalčininkai, were closed for several hours after each balloon incident. Overnight Sunday, border guards took the extraordinary step of sealing the border for 24 hours, a move that soon became the basis for a much broader plan. On Monday, Ruginienė revealed that her government had drafted a decision to shut the border with Belarus indefinitely, with only narrow exemptions for diplomats, diplomatic mail, and citizens of Lithuania and other European Union countries entering from Belarus. "In this way, we are sending a signal to Belarus and saying that no hybrid attack will be tolerated here, and we will take all the strictest measures to stop such attacks," she declared at a press conference.
The Lithuanian leader’s words echoed far beyond Vilnius. Sviatlana Tsikhanouskaya, the Belarusian opposition leader living in exile in Lithuania, weighed in with a written statement to the Associated Press: "The balloon incidents were yet another sign that the regime is using cigarette smuggling as a tool of hybrid aggression against Europe. The closure of border crossings is a logical step to protect security. We support Lithuania and its partners in strengthening sanctions against producers, transporters, and organizers of cigarette smuggling."
Belarus, for its part, did not take the move lightly. The country’s foreign ministry summoned Lithuania’s chargé d’affaires in Minsk to protest what it called Vilnius’s "unilateral closure of the border," carried out without official notice. State-owned Minsktrans canceled several bus routes to Latvia and Lithuania in response, and Belarusian officials labeled the closure a "provocation designed to justify anti-Belarusian policies and expand sanctions," as reported by Russian news agency Tass.
While the balloon phenomenon may sound bizarre, it’s hardly new. Lithuania’s National Crisis Management Centre told the BBC that, as of October 6, a staggering 544 balloons had been recorded entering Lithuania from Belarus this year alone, with 966 similar incursions documented the previous year. Earlier in October, 25 balloons prompted 30 flight cancellations, affecting 6,000 passengers. The National Security Commission’s patience had clearly worn thin.
Prime Minister Ruginienė’s government is not acting in isolation. She announced that Lithuania would consult its allies about the threat posed by the balloons and indicated that the country may discuss activating NATO’s Article 4—a mechanism that allows any member to request consultations on security concerns. "Our response will determine how far autocrats dare to go," Ruginienė warned, calling for a united and resolute reaction from the European Union and NATO. "Autocrats are once again testing the resilience of EU and NATO against hybrid threats. In recent days, dozens of helium balloons from Belarus have entered our airspace—drifting toward major airports and disrupting civil aviation. This calls for a united, resolute response: tougher sanctions on Russia and its proxy Belarus; activation of EU hybrid response teams and Frontex measures; continued isolation of hostile regimes and ensuring they face responsibility for their actions; strengthening of capabilities for infrastructure defense."
For Lithuania, these incidents are part of a broader pattern of provocations from its eastern neighbors. The country, a member of both the European Union and NATO, sits on the alliance’s eastern flank, bordering Russia’s Kaliningrad exclave and Moscow-allied Belarus. Just last week, Lithuania formally protested after two Russian military aircraft briefly entered its airspace, prompting a swift reaction from NATO forces. Lithuanian Foreign Minister Kestutis Budrys didn’t mince words: "These are calculated provocations designed to destabilize, distract, and test NATO's resolve," he posted on social media.
The balloon saga is also playing out against a backdrop of mounting tension in European aviation. Airports in Copenhagen and Munich, as well as others in the Baltic region, have faced their own disruptions from drone sightings and other air incursions in recent weeks. European Union officials have confirmed they are "aware of these incidents" and remain in close contact with Lithuanian authorities, but have so far declined to speculate on the causes or possible coordinated responses.
Meanwhile, the practical impact on ordinary Lithuanians and travelers has been immediate and severe. Over the course of just a few days, thousands of passengers have found their plans upended, with flights canceled or diverted at short notice. The country’s airspace, once considered a routine corridor for European travel, has suddenly become a frontline in a new kind of confrontation—one that blends criminal smuggling with geopolitical gamesmanship.
As Lithuania awaits its cabinet’s final decision on whether to make the border closure permanent, the message from Vilnius is unmistakable: the days of tolerating such incursions are over. By moving to shoot down smuggling balloons and sealing its border, Lithuania is both defending its own sovereignty and sending a warning to those who would test the boundaries of European security. The coming days will reveal whether these bold steps are enough to deter further provocations—or whether the region is entering a new, more unpredictable phase of its ongoing standoff with Belarus and its allies.