translate English to French: In the case of those arrested in connection with similar demonstrations in Tabriz, 21 persons, of whom 12 were students, were sentenced to jail terms ranging from three months to nine years.
En ce qui concerne les manifestants arrêtés à Tabriz, 21 personnes, dont 12 étudiants, ont été condamnées à des peines allant de trois mois à neuf ans de prison.