This photo released by Romania's Department for Emergency Situations shows...

This photo released by Romania's Department for Emergency Situations shows a fire on top of a block of flats after a drone crash caused an explosion and fire on impact, in Galati, eastern Romania near the Ukrainian border, Friday May 29, 2026. Credit: AP/Uncredited

BUCHAREST, Romania — A Russian drone that was part of an overnight attack on Ukraine went astray and slammed into an apartment building in eastern Romania, injuring two people in the NATO member country, Romanian officials said Friday. The incursion added to concerns that the war could spread across the alliance’s borders.

The drone was tracked by radar in Romanian airspace and crashed onto the roof of the building in the Danube port city of Galati and sparked a fire, the Romanian Defense Ministry said in a statement. The two injuries were minor and several people were evacuated.

It was the latest in a series of drone incursions — from both Russia and Ukraine — to hit a NATO member since Moscow launched its full-scale invasion in February 2022.

The incidents have left the 32-member military alliance on edge, and Friday's incursion drew strong condemnation across Europe, with leaders calling Russia's actions reckless and irresponsible.

Romania scrambled two F-16 fighter jets and a helicopter, and sent alerts to residents of the affected areas, but the aircraft didn’t engage or shoot at the drone in the city, which is located near the borders of Ukraine and Moldova.

Romania asked NATO to speed up the transfer of anti-drone capabilities to its military, the Foreign Ministry said, calling the incursion a serious violation of international law.

Former Russian President Dmitry Medvedev told European leaders to “shut up” about the incident, noting in an expletive-filled post on his messaging channel that it has yet to be determined whose drone it was. But Romanian President Nicusor Dan and other officials identified the drone as Russian.

In this image made from video provided by Russian Defense...

In this image made from video provided by Russian Defense Ministry Press Service on Wednesday, May 27, 2026., Russian servicemen prepare to launch an interceptor drone for an action in an undisclosed location in Ukraine. Credit: AP/Uncredited

“We had a Russian drone, Geran-2, leaving Russia. We know the trajectory, we know where it went through Ukraine, we know where it entered Romania, part of a swarm of 43 Russian drones, of which only one reached Romanian territory,” a statement from Dan said.

Gen. Gheorghe Maxim, interim commander of the Romanian armed forces' joint staff, told a news conference that the drone in Galati wasn't “an attack from Russia against Romania,” but he added that “Romanians should understand that Russia is a threat to the security of the countries in the area.”

Elsewhere in the war, Ukrainian forces shot down 217 drones overnight, according to the country’s air force. In total, Russia attacked with 232 drones and one ballistic missile. Strikes were recorded in 14 areas, it said.

Romania calls it the worst of many incidents

Romania has confirmed drone fragments landed on its territory on multiple occasions since Russian President Vladimir Putin launched the war, including in Galati last month, but no one was hurt in any of those incidents, with debris falling in remote areas.

In this image made from video provided by Russian Defense...

In this image made from video provided by Russian Defense Ministry Press Service on Wednesday, May 27, 2026., Russian servicemen prepare to launch an interceptor drone for an action in an undisclosed location in Ukraine. Credit: AP/Uncredited

Dan convened Romania’s top defense body Friday to discuss what he called “the worst incident to hit the national territory” since the war began.

“We will have proportional measures in relation to the Russian Federation. ... There is no ambiguity about the author and the cause of this assault,” he wrote on Facebook. He said his thoughts are with the injured as well as the families and residents “who experienced terrible moments in their own homes.”

After the Supreme Council of National Defense meeting in Bucharest, Dan said the Russian consul in the Black Sea port city of Constanta has been declared persona non grata and that the consulate will be closed. Russia maintains an embassy in Romania's capital, Bucharest.

Territorial violations have become so common in Romania in recent years that lawmakers adopted legislation last year allowing the army to shoot down drones entering its airspace as a last resort. But the country has remained cautious in downing errant drones, which can pose risks to populated areas.

Russia has been using long-range ballistic missiles and drones to damage Ukraine’s power grid and hammer cities, and Ukraine has braced for further heavy bombardments. Kyiv also has sent long-range drones deep into Russia to attack oil refineries, military bases and and other infrastructure.

Friday's incident adds to recent drone-related incursions in Europe. Ukrainian drones have hit the chimney of a power plant in Estonia and empty fuel tanks in Latvia, and also were shot down by Romanian fighter jets stationed in Lithuania. Ukrainian officials apologized and said the drones were aimed at military targets in Russia, but were sent off course by Russian electronic interference.

Poland, Croatia, Romania and non-NATO member Moldova all have reported airspace violations and found drone fragments on their territory since the war began. The airspace violations have raised questions about the state of air defenses on NATO’s eastern flank.

Allies condemn incursion

NATO Secretary-General Mark Rutte said he had spoken to Dan and expressed “absolute solidarity” with its ally.

Rutte said in a post on X that he “affirmed that NATO stands ready to defend every inch of Allied territory. We will continue to enhance our readiness to deter and defend against any threat, including from drones.”

NATO allies spoke informally about the incursion, but no official meeting about it was scheduled for Friday. Romania can request formal NATO consultations if it believes its territory or security is under threat.

European Commission President Ursula von der Leyen said Russia "has crossed yet another line.” She said the European Union will keep strengthening security on its eastern frontier and was drafting another set of sanctions against Russia, the 21st so far.

Estonian Foreign Minister Margus Tsahkna said the risk of such “serious incidents” was raised by “ Putin’s increasing nervousness, driven by military setbacks.”

French Foreign Minister Jean-Noël Barrot complained to the Russian ambassador about what he called “this latest irresponsible act,” saying they are "both reckless and pointless, as they will in no way deter us from our support for the Ukrainian resistance.”

Medvedev, who was Russian president from 2008 to 2012 and is known for his provocative and inflammatory statements since the start of the war, called the European leaders “scoundrels” and “imbeciles.”

“European drones, their spare parts, and other weapons, not to mention intelligence data, are used daily in attacks on our country,” he wrote on his messaging channel MAX. “Their operations result in damage to residential buildings, killing civilians.”

He said EU countries are part of the “warring nations” in the conflict and involved in “drone production” for Ukraine.

“So just shut up. This is just the beginning,” Medvedev added. “Let them prepare -- this will continue to happen.”

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This story has been corrected to remove the reference to Galati being east of the borders of Ukraine and Moldova. The city is west of them.

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McGrath reported from Leamington Spa, England.

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