While Russia's overnight drone and missile attacks on Ukraine have hit record levels, on the ground its military is claiming territorial gains.Last month Russian forces seized 556 sq km (215 sq miles),

There is too little data to generate a comparable live estimate for Ukraine. However, a catalogue of the known dead and missing from UAL osses, a website, implies that between 73,000 and 140,000 Ukrainian soldiers have died since the invasion began.

Russia launched its largest drone attack on Ukraine in a single day since the war began more than three years ago, according to the Ukrainian Air Force on Wednesday.