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KYIV, Ukraine, Sept 30, 2025 (BSS/AFP) - Ukraine has sent a team of anti-drone warfare specialists to Denmark "for exercises", President Volodymyr Zelensky said Tuesday, as Copenhagen prepares to host European leaders amid a spate of alleged Russian airspace violations in Europe.

Separately, Poland's Prime Minister Donald Tusk said Polish soldiers would also head to Denmark to help secure the upcoming EU leaders meeting and European Political Community summit.

Mysterious drone sightings across Denmark since September 22 triggered airport closures and security fears ahead of the meetings, with the finger being pointed at Moscow, allegations it has denied.

The violations include a massive drone incursion into Poland and fighter jets entering Estonia's airspace.

Ukraine has faced nightly waves of Russian drone and missile attacks for much of the three-and-a-half-year war that Russia launched in February 2022.

"Our group of specialists has begun deploying a mission in Denmark to share Ukraine's experience in countering drones," Zelensky said in a post on social media, adding the team would participate in joint exercises with allies.

"Ukraine's experience is the most relevant in Europe today," he said.

"And it is precisely our expertise, our specialists, and our technologies that can become a key element of future Europe's Drone Wall -- a large-scale project that will guarantee security in the skies," he added.

Ukraine's air force says it downs more than 80 percent of all incoming Russian drones -- which regularly number several hundred a night.

In Warsaw, ahead of a government meeting, Tusk said that Poland would also send military experts to Copenhagen.

"We accepted with satisfaction the Danish government's request for Polish soldiers to help secure tomorrow's and the day after tomorrow's European summit," Tusk said.

European leaders meet Wednesday in the Danish capital for a summit where "Russia's recent airspace violations in several EU member states" is the top agenda item.

Other European states, including France, were also helping secure the meeting.