Tusk: Russia likely behind arson at Polish drone factory WB Electronics

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The fire at a Polish drone factory supplying weapons to Ukraine was “deliberate arson,” and Russia is likely behind the attack, Prime Minister Donald Tusk said at a cabinet meeting Wednesday.

WB Electronics, where the fire broke out on Monday morning , is one of Poland’s largest private defense companies. It produces reconnaissance drones and loitering munitions, including FlyEye and Warmate, used by Ukraine against Russian forces. The fire was soon extinguished , leaving no casualties, Polish radio reported.

“This is a continuation of Russia’s escalatory actions throughout the region,” the Polish leader said, adding that “unfortunately, these are not the first cases and, even worse, they certainly won’t be the last.”

On the same day of the attack, Polish prosecutors classified the incident as a “terrorist crime” committed by “foreign intelligence” and involving the “deliberate setting of a fire.”

The incident comes amid an intensification of suspected Russian attacks targeting facilities linked to military production and support for Ukraine.

In Poland, in addition to the event at WB Electronics, a second fire broke out at a JFG Composites facility in Lublin on Sunday — the company produces composite components for the aerospace industry, including parts for aircraft and helicopters.

In August, three drones carrying explosive material were spotted at or near the Leipzig-Halle Airport in eastern Germany, including one drone that was found near a Ukrainian Antonov plane used to transport munitions .

Chancellor Friedrich Merz’s government on Tuesday accused Russia of being responsible for the incursion and announced retaliatory measures. EU officials backed Germany and called for further visa restrictions .