Together with foreign reporter Bengt Norberg, he was in Butja when the massacre was revealed earlier in April.
The images of hundreds of civilian casualties shook the world and being able to remain calm when faced with unpleasant scenes can sometimes be a challenge.
- What I saw was so terrible that my body stopped functioning.
Hear SVT's correspondent's story about what it was like to document the scenes in Ukrainian Butja in the clips above.