With their dense mesh, the nets can tangle drone propellers. It’s a simple but effective countermeasure that reflects how low-tech means can blunt high-tech weapons in the war.

"In total, over the past week, there were around 1,270 drones, 39 missiles, and nearly a thousand guided bombs," President Volodymyr Zelenskyy said on Monday.

Russia’s surging defence industry, bolstered by an expanded missile plant in Votkinsk and rapidly expanding supply chains, could soon allow Russia to fire 1,000 missiles and drones at Ukrainian cities in a single night.