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.

Libya's eastern strongman General Khalifa Haftar has left Moscow without signing a ceasefire agreement to end nine months of fighting in the country, the Russian foreign ministry confirmed to AFP Tuesday.

Russian Foreign Minister Sergei Lavrov said Monday's talks on a ceasefire deal between the warring sides in Libya had made some progress, but strongman Khalifa Haftar asked for more time to study the document.

The Libyan capital's airport, closed since last week, reopened Monday following a truce that has come into force after nine months of fighting for control of Tripoli.

Israeli lawmakers on Monday voted in favour of discussing Prime Minister Benjamin Netanyahu's immunity request, bringing the premier's legal woes to the fore weeks ahead of an election.

Netanyahu lodged his immunity request with parliament earlier this month in a move critics said was aimed at delaying court proceedings until after the March 2 polls.

King Abdullah of Jordan on Monday warned that the Islamic State group was regrouping and was once again on the rise in the Middle East.

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.

Three leading international NGOs announced on Monday they are boycotting meetings that Saudi Arabia is holding with civil society groups ahead of hosting this year's Group of 20 summit, saying participating would lend legitimacy to a kingdom "trying to whitewash its dire human rights record."

As Saudi Arabia begins its first meetings this week to kick off the dedicated meetings for civil society within the G20 known as the Civil 20 or C20, Berlin-based Transparency International said it would decline its invitation to be part of the process.

Iraqi officials fear economic "collapse" if Washington imposes threatened sanctions, including blocking access to a US-based account where Baghdad keeps oil revenues that feed 90 percent of the national budget.