The United Nations support mission in Libya (UNSMIL) warned of targeting civilian areas, schools, ambulances and hospitals, stressing that it is documenting all acts of war that violate international humanitarian law.

"The mission is monitoring and documenting all acts of war that violate this law in order to brief the Security Council and the International Criminal Court," UNSMIL stated on Facebook.

Warplanes belonging to the forces of Haftar bombed, on Saturday, Al-Quds school in Ain Zara district, in addition to the indiscriminate bombing of Al-Sawani area, which killed at least four civilians.

Haftar's air force also destroyed a warehouse that contains more than 4 million school books in Ain Zara, according to the Ministry of Education.