The moment when Vladlen Tatarsky receives the "Golden Vladlen" bust
In the video you can hear the propagandist calling the girl to sit next to him, calling her Nastya (that's the name Daria Trepova introduced herself), and inviting her to sit next to him.
"I'm shy," the girl replied and sat on a chair near the window.
"Golden Vladlen. I'm much prettier here," Tatarsky said, looking at the bust, which, as it would turn out later, was stuffed with explosives.
After that, the video cuts to a black frame and the sound of a fire siren can be heard. Most likely it's an edited fragment of another video.