Ukraine claimed to have shot down 141 Russian unmanned aerial vehicles and hybrid missiles, adding that the attack damaged many structures in the capital, Kiev.
A Ukrainian soldier risked driving through a "death zone" filled with mines and drones to rescue injured comrades trapped on an unmanned ground vehicle.
Ukraine intelligence reports Russia has deployed the 9M723-2 variant of the Iskander-M ballistic missile, boasting a 40% longer range than the original.
Ukraine has granted the UK access to a data repository containing millions of images of Russian military equipment involved in the conflict, a resource London describes as a "goldmine".
Russia has equipped its Geran unmanned aerial vehicles with remote control systems and automatic target recognition, rendering jamming measures ineffective, according to a Ukrainian official.
A Ukrainian official acknowledges the country's shortage of various interceptor weapons and fighter jet missiles, extending beyond issues with its Patriot munition stockpile.
A newly released video shows a Russian unmanned aerial vehicle repeatedly circling while being pursued by a Ukrainian aircraft, with uncertainty over whether it was evasive maneuvering or a malfunction.
