Poland, Ukraine and NATO claim recent Russian drone incursions into their airspace were deliberate.

Sudden boldness of Kremlin is new territory for Nato, which is enhancing air policing over Eastern Europe with extra fighter jets

Poland, Ukraine and NATO claim recent Russian drone incursions into their airspace were deliberate.

NATO jets down Russian drones in Poland, Russia denies targeting, Trump suggests mistake, Kremlin calls shooting down reckless.

In neighboring Germany, several drones were reported in the northern German state of Schleswig-Holstein, which borders Denmark, from Thursday into Friday night.

Denmark reports new drone incursions, while neighbouring Norway says it is investigating two drone sightings.