At least six Libyan students were injured on Wednesday when an explosion went off at their school in the eastern city of Benghazi, security and medical officials said.“An explosion hit the Mahd al-Marefa School in Benghazi’s Al-Fawihat district, leaving some students injured,” Ibrahim al-Sharaa, said a spokesman for the Benghazi Joint Security Room.Fadia al-Barghathi, the spokesperson for the Al-Galaa Hospital, said the hospital had received a number of students suffering moderate injuries, adding that the number of injuries is expected to rise further.