A spokesman for Benina air base has been injured with six military and police troops in Benghazi.
Nasser al-Hasi was critically injured Sunday night when a mortar shell hit Sidi Mansour area, his brother told "Bawabet al-Wasat" newspaper Monday.
He would not reveal names of the six other injured persons for security reasons.
The injured were moved to al-Marj Hospital, he added.