The call comes in response to a UN report that says cruise missiles and drones used to attack Saudi oil facilities last year are Iranian in origin.
The International Atomic Energy Agency has expressed 'serious concern' that Iran has been blocking inspections at two sites.
The US has accused Moscow of deploying fighter jets in support of Khalifa Haftar, who has been fighting the UN-backed government.
The warplanes left Russia and first stopped in Syria, where they were repainted to camouflage their Russian origin before arriving in Libya, AFRICOM said.
Wagner Group mercenaries who fled southern Tripoli are being evacuated from Bani Walid airport to an as yet unconfirmed destination.
New US sanctions target Interior Minister Abdolreza Rahmani Fazli, seven law enforcement officials and a provincial commander of the IRGC.
A mounting death toll from military mistakes and missteps reveals the lack of leadership and professionalism in Iran's armed forces.
'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.