The killings in Bucha have come to light after Russian forces withdrew from the area. And Russia hsa pulled back, because it says it's moving on to a new phase of the war – to focus on the regions of Donetsk and Luhansk. Part of that territory has been held by pro-Russian separatists since 2014. The Ukrainian military also says the Kremlin is preparing a new offensive there.

DW speaks to John Spencer, a retired US army major and an expert on urban warfare.

Subscribe: https://www.youtube.com/user/deutschewelleenglish?sub_confirmation=1

For more news go to: http://www.dw.com/en/
Follow DW on social media:
►Facebook: https://www.facebook.com/deutschewellenews/
►Twitter: https://twitter.com/dwnews
►Instagram: https://www.instagram.com/dwnews
Für Videos in deutscher Sprache besuchen Sie: https://www.youtube.com/dwdeutsch