(FILES) Police officers escort a minor, a seventh grade student who is suspected of firing several shots at a school in the capital Belgrade on May 3, 2023. A court in Belgrade on December 30, 2024, jailed the parents of Kosta Kecmanovic, a 13-year-old boy who last year shot and killed nine students and a security guard at an elementary school. Vladimir Kecmanovic was sentenced to 14 years and six months, while Miljana Kecmanovic was jailed for three years, the Belgrade Higher Court announced in a written statement. (Photo by Oliver Bunic / AFP) / Serbia OUT