Belgrade in Mourning After Deadly School Shooting.

Serbian students paid tribute to the victims of a school shooting in Belgrade, which left eight children and a school guard dead and seven others injured. The 13-year-old shooter, who had planned the attack for a month, used his father's guns and had visited shooting ranges with him. The tragedy has sparked a debate about gun control and the general state of the nation, which has been marked by crises and conflicts. The shooter has been placed in a mental institution, while his father has been detained on suspicion of endangering public security.