Has drone dominance in Ukraine changed warfare forever?

<p>Could the use of drones break the stalemate in the Ukraine war?</p><p>Tomorrow marks the fourth anniversary of Russia's full-scale invasion - and for most of this time, it has seemed there was no end in sight.</p><p>However, technological developments have led to the increased use of drones on the frontline.</p><p>How have these remote-controlled devices become the dominant weapon on the battlefield, and have they changed the nature of warfare forever?</p><p>Gareth Barlow speaks to Sky's international correspondent Alex Rossi and Ukraine producer Azad Safarov in Kyiv about coming under fire from drones on the frontline themselves.</p><p>Producers: Sam Gruet and Paul Wilkinson</p><p>Editor: Mike Bovill</p>