German investigators now count three drones around the failed 4–5 August attack on a Ukrainian cargo plane at Leipzig airport, Tagesschau reported on 25 August. Officers found the third machine and a suspected military explosive in a field near the runways. Security circles assume Russian intelligence services helped plan the attempt, and Russia denies any role.

A third drone and about 50 grams of suspected hexogen

Investigators found the third drone on the early evening of 14 August in a field in Kabelsketal, security circles told NDR, WDR, and the newspaper Süddeutsche Zeitung (SZ). The area borders the airport's western edge in Saxony-Anhalt. Forensic technicians from Germany's Federal Criminal Police Office (BKA) arrived that day, and the next day they reportedly found a substance at the site. First assessments put it at about 50 grams of hexogen, a military explosive known internationally as RDX. The perpetrators may have had a far larger attack in mind than what has become public, according to Tagesschau. 

The target was a Ukrainian plane

The drone found on the tarmac was meant to hit a Ukrainian Antonov cargo aircraft that moves military goods, according to the investigation cited by the public broadcasters NDR and WDR and SZ. The bomb never went off, because its detonator was apparently defective. The plane had been apparently loaded with ammunition the previous day. Leipzig/Halle carries military freight for the German armed forces and NATO allies, and Ukraine's Antonov Airlines uses it as a base, Euronews reported the same day.

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A bomb-laden drone hit a Ukrainian An-124 in Germany, then lay unnoticed for hours

The first drone turned up on the airport grounds at around 23:42 on 4 August. Shortly afterward, at about 00:03, a second drone reportedly collided with a cargo plane of the delivery company DHL. That aircraft had broken off its landing because the first find shut the airport, and it probably hit the drone at fence height at several hundred kilometers per hour. Neither that drone nor parts of it have turned up, NDR, WDR, and SZ reported. The German broadcasters placed the damage on the tail unit, while Bild gave a different account, putting the collision about six kilometers out with minor damage to the nose, Euronews said.

Camera footage analyzed after the attempt showed a quadcopter carrying Semtex plastic explosive fly into the wing of a parked An-124 Ruslan without detonating, and Washington assessed that the drone belonged to Russian intelligence. The same airport saw a parcel ignite in July 2024, before crews could load it onto a DHL cargo plane, in what security services treated as a suspected Moscow-linked arson plot.

State-protection officers at the BKA work under orders from Federal Prosecutor General Jens Rommel to establish how the attack was meant to run and who is responsible. Investigators are following several leads, among them recovered DNA. Germany ranks among Ukraine's biggest military backers, and its authorities suspect Russia of orchestrating many of the drone incidents as part of a campaign of sabotage, espionage, and disinformation, Euronews said.

Major shutdowns at Russia's key airports on July 5–6 caused by Ukrainian drone attacks could cost Russian airlines around 20 billion rubles ($254 million), the pro-Kremlin outlet Kommersant reported on July 7, citing airline representatives and industry experts.

Since the start of mass disruptions on July 5, a total of 485 flights were canceled, 88 were diverted to alternate airports, and another 1,900 were delayed across major hubs, according to Russia's aviation agency Rosaviatsiya.

The drone attacks prompted operational shutdowns that triggered widespread logistical and economic consequences. Over 94,000 passengers were housed in hotels, 43,000 refunds were processed, and hundreds of thousands of vouchers for food and drinks were issued.

The estimated financial toll includes direct airline losses from canceled Boeing 737-800 flights, which can run between 15 million and 23 million rubles ($190,000–$292,000) each depending on the route, as well as costs for delays, diversions, and passenger care.

Experts say the true cost could be far higher. Dmitry Datsykov of EXPO.UAV estimated tens of billions of rubles in additional indirect losses, including missed connections, taxi and hotel losses, and supply chain disruptions.

Ukraine has not publicly claimed responsibility for the disruptions but has acknowledged that its drone strategy aims to undermine Russian logistics and force the war's consequences closer to the Russian public.

The economic fallout comes amid growing scrutiny of Russia's transport sector. On July 7, President Vladimir Putin dismissed Transport Minister Roman Starovoit following the aviation chaos and a high-profile ammonia leak at the Ust-Luga port.

The Kremlin has increasingly struggled to protect critical infrastructure from Kyiv's deep-strike drone campaign, which in recent months has expanded to include refineries, radar plants, and now Russia's busiest airports.

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Russia's largest airports experienced hours-long flight delays and cancellations on July 5, as authorities imposed temporary restrictions due to a reported threat of Ukrainian drone attacks, the pro-Kremlin Telegram channel Shot reported.

Ukraine hasn't commented on the report. Kyiv's drone campaign, which has increasingly disrupted civilian air travel in Russia, is part of Ukraine's broader strategy to undermine Russia's logistics far beyond the front line.

Some passengers in Russia reported waiting more than 10 hours on July 5 as their flights were being delayed, according to Shot.

Departures at Moscow's Sheremetyevo Airport were halted for several hours, delaying over 20 flights. At St. Petersburg's Pulkovo Airport, roughly 50 flights were delayed and more than 20 canceled.

Leningrad Oblast Governor Alexander Drozdenko said that two drones were shot down south of St. Petersburg, prompting a temporary suspension of operations at Pulkovo Airport.

The disruptions followed a wave of Ukrainian drone attacks overnight, which targeted military and industrial infrastructure in at least six Russian regions.

The Russian Defense Ministry said it intercepted 42 drones within three hours, mainly over the Belgorod, Bryansk, and Kursk oblasts near the Ukrainian border.

Novaya Gazeta Europe reported in May that at least 217 temporary airport closures have occurred across Russia since Jan. 1 due to drone threats, more than in 2023 and 2024 combined.

A similar wave of strikes ahead of Russia's Victory Day in May led to massive delays, affecting an estimated 60,000 travelers.

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