Two incidents occurred in Serbia on March 3 and March 4. The incidents occurred near the city of Belgrade.
The victims were children and adults. Both incidents took place on the same day, in the same place in Belgrade, Serbia. The incident occurred near a school, near the town of Vojvodina. The students were in the middle of a class when the incident occurred. The school was on the outskirts of the city, and the students were on their way home from school.