A soldier taught a 12-year-old how to disable the fiber-optic drones that Russia has been using to hunt Ukrainian civilians in a campaign the U.N. has labeled a war crime.

Authorities say a massive Russian drone and missile attack on Ukraine has demolished an apartment block in Kyiv, killing seven and wounding dozens.

President Volodymyr Zelenskyy said more than 100 Russian drones targeted Ukraine in the latest wave of strikes.

The pattern is visible at the tactical level too. The UA REG TEAM unit of Ukraine’s Special Operations Forces wrote on Telegram on May 4 that their operators recently struck Russian logistics arteries at depths of 55 to 71 kilometers using $600 FPV drones rather than aircraft costing many thousands of dollars.

Russia fired at least 800 drones in a massive daytime barrage on about 20 regions of Ukraine on Wednesday, killing at least six people and wounding dozens, including children, in one of the longest attacks by Moscow in the 4-year-old war,

Hungary's government has summoned Russia's ambassador over a massive drone attack near its border with Ukraine.

A Ukrainian long-range strike drone armed with rockets has attacked a Russian mobile defense team. This may open a new chapter in defense suppression drone warfare.

President Volodymyr Zelenskiy had earlier warned of possible waves of Russian drone attacks throughout the day.