Wagner Group mercenaries who fled southern Tripoli are being evacuated from Bani Walid airport to an as yet unconfirmed destination.
A mounting death toll from military mistakes and missteps reveals the lack of leadership and professionalism in Iran's armed forces.
New US sanctions target Interior Minister Abdolreza Rahmani Fazli, seven law enforcement officials and a provincial commander of the IRGC.
'Wagner Group activities continue to exacerbate the conflict and prolong the suffering of the Libyan people,' the British ambassador says.
Iranian officials see the coronavirus outbreak, which has killed thousands in the Islamic republic, as an opportunity to strike at US sanctions.
The Wagner Group, a shadowy private security firm, has been supporting military strongman Khalifa Haftar against Libya's internationally-backed government.
A group of fighters who work at the behest of Russian President Vladimir Putin have been co-ordinating a massive recruitment effort of Syrian youths to back Khalifa Haftar in Libya.
Iran has launched its first military satellite, which the US alleges is a cover for its development of missiles, as it asks for coronavirus funds.
Prisoner exchanges, albeit small, have been taking place since the UN called on the warring sides to release detainees amid the health crisis.
The UN and others have urged all parties to engage in dialogue to resolve disputes over the implementation of the Riyadh agreement.