Poland has heightened its air defence posture, following repeated alleged incursions into its airspace in recent weeks.
asserted
Poland → heighten → weeks
The Polish Air Force launched preventive air patrols on September 17 aimed at securing the eastern part of Polish airspace.
asserted
Force → launch → airspace
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Warsaw officially blamed Russia, but Moscow has denied allegations that it is targeting NATO nations.
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it → say → nations
“Following the latest Russian provocations and acts of aggression, I have made the decision to expand the protection of our airspace.
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I → follow → airspace
We are increasing the activity of our air forces, including F-16 aircraft and helicopters,” wrote Polish Defence Minister Wladyslaw Kosiniak-Kamysz on social media.
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Kamysz → increase → media
Those patrols came with a political warning.
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patrols → come → warning
“I want to present to the public the most probable scenario for the next few months, because it is a scenario that assumes serious events and requires focus, seriousness and the mental readiness to pass difficult exams,” said Prime Minister Donald Tusk.
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Tusk → want → exams
“According to intelligence, the Russian plan also includes hybrid drone and missile strikes against countries supporting Ukraine, including Poland,” he said in parliament.
uncertain
he → accord → parliament
“These possibilities have been mentioned for a long time, and today the information is very consistent and, unfortunately, convincing.”
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information → mention → time
He said the aim of suspected Russian incursions was “to weaken the motivation of NATO countries to apply NATO regulations in the event of aggression against any member state”.
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aim → say → state
Days later, on September 23, Poland said an Mi-8 helicopter entered Polish airspace from Kaliningrad for 42 seconds.
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helicopter → say → seconds
“Russia is once again testing the readiness of our air defence,” said Poland’s Armed Forces Operational Command.
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Command → test → defence
The most serious Polish claim of a violation was by a Russian Su-24 reconnaissance aircraft in the Baltic Sea in February 2025, an incident Russia reportedly acknowledged.
uncertain
Russia → acknowledge → February
During the past week, suspected Russian drones were shot down twice in Moldova, and once in Romania on September 24, observers said.
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observers → suspect → September
Poland and Romania are two NATO members immediately bordering Ukraine through which military supplies and Western officials have reached Ukraine.
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supplies → border → Ukraine
Hungary is also a NATO member bordering Ukraine, but has not allowed military supplies through its territory.
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Hungary → border → territory
The latest alleged airspace violations have again raised the spectre of an open Russian attack on NATO territory, a prospect European intelligence chiefs have been warning about since January 2024.
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chiefs → allege → January
Czech intelligence chief Michal Koudelka this week told The Guardian that a Russian attack, which “could involve a limited incursion, false-flag provocations, [or] a massive influence campaign”, might come in a matter of “months, not years”.
uncertain
which → tell → months
During the past week, Russian officials made claims to have captured towns in the eastern Ukrainian Donetsk region.
uncertain
officials → make → region
Russia’s Ministry of Defence said on September 19 Moscow’s forces had seized 5,300 square kilometres (2,050 square miles) and more than 220 settlements in Ukraine since the start of 2026.
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forces → say → 2026
Moscow launched drone strikes against Ukrainian cities every night of the week, and combined them with missiles on September 19, 22 and 24, killing at least eight people and injuring dozens.
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Moscow → launch → dozens
Two were killed when Russia launched three waves of ballistic missiles at Kyiv, including a maternity clinic.
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Russia → kill → clinic
“Since the beginning of this year, Russia has used more than 2,100 missiles of various types against Ukraine.
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Russia → use → Ukraine
More than 950 of these were ballistic missiles,” Ukrainian President Volodymyr Zelenskyy told the United Nations General Assembly.
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Zelenskyy → tell → Assembly
During the same period, Russia launched 63,000 drones into the country, he said.
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he → launch → country
“We need to slow it down before we move to the next stage,” he said. “Because next year, there is a real possibility that AI – not just humans – will begin to decide what happens on the battlefield.”
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what → need → battlefield
According to the Institute for the Study of War, which assesses territorial changes using geolocated open sources, Russian claims of a serious advance are vastly overstated.
uncertain
claims → accord → advance
It estimates that Russia has captured a net 147.7sq km (57sq miles) in the first eight months of 2026, its worst performance of the war by far.
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Russia → estimate → war
Ukrainian forces had liberated at least 972.56sq km (375sq miles) from Russian occupation during the same period, it has found.
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it → liberate → period
Those counteroffensives have come near Oleksandrivka, straddling the Donetsk-Zaporizhia border, and around the town of Lyman in northern Donetsk.
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counteroffensives → come → Donetsk
The Lyman operation, codenamed Vivaldi, saw 50sq km (20sq miles) liberated in a second phase of the operation in recent days, Ukrainian officials said.
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officials → codename → days
“Artillery and drone systems targeted enemy command posts, communication hubs, logistics, crossings, and reserves.
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systems → target → posts
Air defence and electronic warfare systems created a protective shield over the area of combat operations.
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systems → create → operations
The blinded enemy was unable to decipher the plan of the operation, and our units consolidated on the liberated lines,” said an announcement from the Third Army Corps commanded by Andriy Biletsky.
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announcement → decipher → Biletsky
Russia’s vote, a referendum on the war
Meanwhile, Russian President Vladimir Putin’s United Russia Party triumphed in the Duma elections, raising its majority from 315 seats in the 450-seat body to 355.
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Party → triumph → 355
Russian officials prejudged the result as a positive referendum on Putin’s war in Ukraine.
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officials → prejudge → Ukraine
“I have no doubt that the result will confirm the commitment of all our parties and voters to the course the president has set both domestically and for our foreign policy,” Foreign Minister Sergey Lavrov told reporters ahead of the election.
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Lavrov → have → election
“We will continue to ensure support for our president’s course and bring victory over the enemies of the Fatherland closer,” deputy chairman of Russia’s Security Council Dmitry Medvedev wrote on Russian social media.
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Medvedev → continue → media
Ukraine launched its biggest combined air strike of the war on the final day of Russia’s parliamentary elections.
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Ukraine → launch → elections
Moscow mayor Sergei Sobyanin said on September 20 that Russian air defences downed more than 1,600 Ukrainian drones in the previous 24 hours, at least 450 of them heading for Moscow.
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defences → say → Moscow
…and 3 more, not listed.