At 33, he is head of research and development in Ukraine’s drone warfare, devising ever more creative ways to make the most of the lethal technology.He is also a chart-topping artist who has used his years fighting on the frontline turning his experiences into rap songs that have become national war chants.

Russian drones are a constant threat in besieged Pokrovsk. WSJ’s Ian Lovett reports from the city where some residents are determined to remain, despite Moscow's forces on their doorstep.

Laser weapons could provide Ukraine with a new way of combatting Russian drones, military experts told Business Insider.