Ukraine continues counter-offensive as it retakes land in east of country.
Ukrainian troops have inflicted a “major operational defeat” on Russian forces, according to the Institute for the Study of War (ISW).
Russia confirmed it had withdrawn from the key towns of Izyum and Kupiansk on Saturday, saying that the retreat would allow its troops to “regroup”.
According to the ISW, since April, Ukraine has retaken territory the size of Wales.