Flights from Mitiga airport were suspended for several hours Sunday after rocket fire hit the airport
The GNA blamed Haftar's forces for the attack against the airport, and for a separate alleged attack in the Soug al-Jomaa district of Tripoli.
Forces battling for control of Libya's capital agreed to a truce Saturday, on the eve of the Muslim festival of Eid Al-Adha
GNA said it "accepted a humanitarian truce for Eid al-Adha," which will be celebrated in Libya on Sunday, Monday and Tuesday.
The GNA condemned the attack on its Facebook page, also blaming it on Haftar's forces
Six fighters loyal to the Tripoli-based Government of National Accord (GNA) were killed and several others wounded.
GNA leader proposed a forum that would be attended by "influential national forces on the political and social scene