Could the use of drones break the stalemate in the Ukraine war?

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.

However, technological developments have led to the increased use of drones on the frontline.

How have these remote-controlled devices become the dominant weapon on the battlefield, and have they changed the nature of warfare forever?

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.

Producers: Sam Gruet and Paul Wilkinson

Editor: Mike Bovill