Khalifa Ghweil's talks with Sergei Lavrov in Moscow yesterday came as the United Nations presses rival camps in Libya to accept a new premier named under a UN-sponsored agreement signed last week.
Ghweil raised with Lavrov the "current situation in Libya and subjects of concern to both countries in various economic and commercial areas," said a statement issued by the Tripoli administration.
In Moscow, a foreign ministry statement said "the current military and political situation in Libya as well as prospects for the development of multi-faceted Russian-Libyan contacts were discussed at the meeting".
It said Russia's top diplomat had "stressed it was important to let the three sailors, who still remain in Libya, return home as soon as possible".
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The Russian-flagged Mekhanik Chebotarev was stopped by Libyan coast guards on suspicion of illegally transporting Libyan fuel.
Libya has had rival administrations since August 2014, when an Islamist-backed militia alliance overran Tripoli, forcing the government to take refuge in the east.
Rival Libyan politicians signed a deal Thursday to form a national unity government despite opposition on both sides.
It calls for a 17-member government, headed by businessman Fayez el-Sarraj and based in Tripoli. A presidential council would also serve for a transitional period of two years until legislative elections.
UN envoy Martin Kobler said Sunday his team is in contact with security officials in Tripoli to ensure that the new unity government can operate safely from the capital.