The Ukrainian military has published what they claim is a breakout of Russia's losses.

According to a post on its Facebook page, more than 3,500 Russian soldiers involved in the invasion have been killed and almost 200 taken prisoner.

They add that Russia has also lost 14 aircraft, 8 helicopters, and 102 tanks so far. The BBC is unable to independently verify any of these claims.

Russia has so far not acknowledged any casualties, according to the BBC.