Tymofii Brik and his girlfriend spent Friday evening walking around their neighborhood in Kyiv, looking at the ground, at walls, and up at roofs. They were searching for special markings left behind by Russian saboteurs, who Ukrainian officials warned had infiltrated cities and may have been marking buildings to target for strikes.
It is not clear Russian forces actually marked buildings, but Brik said the local government had asked civilians to go out and search, and they felt they had to do something, even a small thing like this. Brik’s girlfriend, a climber,…