Fayez al-Sarraj, head of the Government of National Accord (GNA) and his rival, Khalifa Haftar, commander of Libyan National Army, are expected to sign a ceasefire agreement in Moscow on Monday, a senior Libyan official said.

The signing of the agreement will pave the way for the revival of the political process, said Libya's head of High Council of State Khaled al-Mechri on the country's al-Ahrar TV channel.

The GNA and Haftar's LNA agreed to a conditional truce that was supposed to come into force at midnight local time on Sunday (22:01 GMT on Saturday), but both sides have accused the other of violating the agreement.

"The ceasefire, implemented in both regions, is an important step towards establishing stability and peace by stopping the attacks, preventing loss of life and migration flows as well as restoring normal life." said the ministry in a written statement.

"The ceasefire practices are closely monitored." the statement added.

Ankara and the GNA had signed a security and military cooperation agreements as well as a controversial maritime boundary memorandum at the end of November.

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Turkish President Recep Tayyip Erdogan and his Russian counterpart Vladimir Putin last week agreed on a ceasefire in Idlib and called on parties in Libya for a truce that takes effect as of January 12.

Libya has seen an escalation of turmoil that erupted after a NATO-backed uprising killed former leader Muammar Gaddafi in 2011. The country is now divided between the Government of National Accord in Tripoli and Khalifa Haftar's forces in the east and the south.