this is bbc news. i'm nancy kacungira with the latest headlines for viewers in the uk and around the world. in the aftermath of intense fighting in ukraine, the bbc uncovers evidence of civilian killings, that could amount to war crimes. this is more thanjust a collection of terrible deaths, this is a crime scene because under the laws of war, civilians are supposed to be protected. we report from the battle—scarred town of irpin, just 13 miles from kyiv — now a symbol of ukrainian resistance. this was a key battleground, and ukraine's victory here was critical. if the russians had been able to push through here, they would've been on that