IMAGE: Ukrainian soldiers in the recently liberated village of Lukianivka in Kyiv region.
Photograph: Serhii Nuzhnenko/Reuters

IMAGE: Ukrainian soldiers near a damaged memorial to fallen WWII soldiers in Lukianivka.
Photograph: Serhii Nuzhnenko/Reuters

IMAGE: A Ukrainian soldier checks his weapon in Lukianivka.
Photograph: Serhii Nuzhnenko/Reuters

IMAGE: The Ghostbusters logo is seen on the butt of a Ukrainian rifle in Lukianivka.
Photograph: Serhii Nuzhnenko/Reuters

IMAGE: A Ukrainian soldier stands next to a damaged civilian bus in the town of Trostianets in the Sumy region.
Photograph: Press service of the Ukrainian Ground Forces/Handout/Reuters

IMAGE: Ukrainian soldiers in Trostianets.
Photograph: Press service of the Ukrainian Ground Forces/Handout/Reuters

IMAGE: Ukrainian soldiers stand next to a destroyed Russian military vehicle in Trostianets.
Photograph: Press service of the Ukrainian Ground Forces/Handout/Reuters

IMAGE: Ukranian soldiers walk through the village of Lukashi outside Kyiv.
Photograph: Marko Djurica/Reuters

IMAGE: Ukrainian soldiers try to repair their vehicle in Lukashi.
Photograph: Marko Djurica/Reuters

IMAGE: The wreckage of a Russian tank in the village of Lukyanivka outside Kyiv.
Photograph: Marko Djurica/Reuters

IMAGE: The wreckage of a Russian tank in Lukyanivka.
Photograph: Marko Djurica/Reuters

IMAGE: Ukranian soldiers walk past the wreck of a Russian tank in Lukyanivka.
Photograph: Marko Djurica/Reuters

IMAGE: A Ukranian soldier stands on top of a Russian tank captured after fighting with Russian troops in Lukyanivka.
Photograph: Marko Djurica/Reuters

IMAGE: Another captured Russian tank in Lukyanivka.
Photograph: Marko Djurica/Reuters

IMAGE: Ukranian soldiers walk through the village of Lukyanivka.
Photograph: Marko Djurica/Reuters

IMAGE: Ukranian soldiers in Lukyanivka.
Photograph: Marko Djurica/Reuters

IMAGE: An explosion seen during drills by the Ukrainian air force at an unidentified location in Ukraine.
Photograph: Ukrainian Air Force/Handout/Reuters