Tunisair flights (TU 417/18 Tunis- Tripoli-Tunis, TU 413/14 Tunis- Tripoli-Tunis and TU 3520/21 Tunis-Benghazi-Tunis), scheduled Sunday to Tripoli and Benghazi were cancelled because of the closure of the Libyan airspace, the company informs in a communiqué. According to Mrs. Soulafa Mkaddemi, in charge of information in Tunisair, air traffic controllers of the International Airports of Tripoli and Benghazi went on strike on Sunday,  thus blocking  air traffic in Libya.