Russian forces, meanwhile, pounded four Ukrainian cities in nighttime attacks that officials said killed a child.

A child was killed in heavy Russian overnight airstrikes on Ukraine, Kramatorsk mayor Alexander Goncharenko reported on Tuesday. The 10-year-old boy died when guided glide bombs hit a residential building in the eastern Ukrainian city,

Russia has launched one of its largest aerial assaults on Ukraine in months, targeting Kyiv overnight into Monday.

Russian forces launched 42 Shahed-type attack drones and other drones overnight, primarily from Russia and occupied Crimea, Ukraine's Air Force said. At least 26 drones were shot down, and seven more were lost or suppressed by electronic warfare systems,

Russia has advanced around Pokrovsk for many months, but has so far failed to entirely encircle or seize control of the city.

Moscow continues to intensify its long-range attacks on Ukrainian cities and analysts say the barrages are likely to escalate.

Ukraine's Brave1 hopes all of its infantry will eventually carry its new anti-drone rifle rounds, designed to fire from NATO-issued rifles.