Tour bus with students gathered in the ravine at the Gombori pass in Eastern Georgia.
Two children died on the spot, four more — were traumatized different severity.
Later the Agency reported that the death toll rose to four people.
On the scene were sent extra rescue workers and several machines, intensive care and ambulance. The victims were taken to the hospital in the town of Telavi.
What was the cause of the tragedy is under investigation. Investigators started checking.