Nayev emphasized that, despite periodic Russian attacks in the border zone, the situation in Chernihiv Oblast is under control. There are no large Russian offensive formations there, although the enemy routinely employs artillery, sabotage and reconnaissance groups, and strike drones in the area. Read also: Fortification construction active in Ukraine, but no immediate threat, says Ukrainian army – photo “We are not sitting idle,” Nayev said. “Defense forces are acting preventively. We are increasing the number and effectiveness of mobile air defense groups and conducting counter-diversionary …