These young people are between 14 and 19 years old. Just children. Their parents call for clemency. But it seems that the authorities are not willing to let it go. Students have had demonstrations to demand that their comrades be released. Police assigned to the secret service fired weapons injuring two students.
이 번역물에 관한 주의사항
It is implied that police fired "weapons" although that word isn't in the original.