"Two unknown men who were moving in the line towards entry to the Stanytsia Luhanska checkpoint left the line and went towards a field. They then stopped and launched two grenades. One grenade hit a concrete sign located in the proximity of the checkpoint, while the other exploded in a dugout, where soldiers were sitting. One soldier was injured, no civilians casualties are reported," the report said.
Checkpoint operations were halted until further notice due to the incident.