European foreign ministers met Monday to discuss reviving a naval mission in the Mediterranean in order to enforce an arms embargo against Libya's warring parties.

Turkish President Recep Tayyip Erdogan has warned Europe it could face new threats from terrorist organisations if Libya's UN-recognised government in Tripoli were to fall, in an article published in Politico on Saturday.

Libya's National Oil Company warned Friday against threats to block oil exports, the war-torn country's main income source, two days before a Berlin conference aimed at relaunching a peace process.

Libyan military strongman Khalifa Haftar will hold talks in Athens on Friday, days ahead of a peace conference in Berlin which he and the head of Tripoli's UN-recognised government Fayez al-Sarraj are expected to attend.

The EU's diplomatic chief has admitted the bloc is struggling to influence the Libyan conflict and has left Russia and Turkey free to step in and dominate the Mediterranean.

Turkish President Recep Tayyip Erdogan said on Tuesday he would "teach a lesson" to Libyan strongman Khalifa Haftar if he resumed fighting after abandoning ceasefire talks in Moscow.

Russia will continue pushing for a ceasefire agreement in Libya, Foreign Minister Sergei Lavrov said on Tuesday, after strongman Khalifa Haftar left talks in Moscow without signing a deal.

Russia is set to host a meeting of Libya's rival leaders Monday — a mediation effort closely coordinated with Turkey.

The Russian Foreign Ministry said that Fayez al Sarraj, the head of Libya's U.N.-recognized government in Tripoli, and his rival Khalifa Hifter will meet for talks in Moscow.

Libyan strongman Khalifa Haftar's capture of the strategic city of Sirte on Monday was a major setback for Tripoli's UN-recognised government, analysts say.

African Union chief Moussa Faki Mahamat has expressed his grave concern over potential "interference" in Libya, after Turkey approved the deployment of troops to the conflict-torn North African nation.

Turkish lawmakers on Thursday passed a bill approving a military deployment in Libya to shore up the UN-backed government in Tripoli, which has been under sustained attack since April from a rival administration in the east of the country.