The United Nations Children's Fund (UNICEF) and the Libyan government on Tuesday expressed grave concern over reports regarding the killing of civilians in Tripoli by explosive land mines.

The joint statement released by UNICEF, the Libyan Mine Action Center and the United Nations Mine Action Service refers to the land mines laid by Haftar's militias in the homes of those displaced from areas that were under Haftar's control south of the capital.

The mines were found in civilian homes in the areas of Ain Zara and Salah al-Din in Tripoli. Residents who returned to their homes in these areas have been killed or injured by explosive devices and mines that were placed inside or near their place of residence, UNICEF said on its official Facebook page on Tuesday.

The UN organization indicated that it is working closely with the Libyan Mine Action Center, the United Nations Mine Action Service and other partners to ensure that conflict-affected communities, especially children, are educated about the dangers of explosive ordnance.

For his part, UNICEF's Special Representative in Libya, Abd al-Rahman Ghandour, emphasized that "all parties to the conflict must respect their obligations under international humanitarian law and international human rights law."