Militants inspired by the Islamic State group's ideology are seeking to benefit from the desperation of young Palestinians to strengthen their foothold in the Gaza Strip.
British leader David Cameron got "distracted" and French President Nicolas Sarkozy wanted to promote his country during the 2011 military intervention in Libya, US President Barack Obama said.
UN envoy Martin Kobler urged rival Libyan politicians to sign up to a UN-brokered agreement for power sharing in the war-torn nation during weekend talks with both sides.
Egyptian President Abdel Fattah al-Sisi called for NATO powers to help rebuild Libya, beset by violence since an uprising backed by the Western military alliance toppled leader Moamer Kadhafi.
A helicopter with 23 people on board crashed Tuesday near the Libyan capital but the cause was unclear, a security official said.
The bodies of at least 43 people thought to be migrants washed up on Libyan beaches east of the capital Tripoli at the weekend.
Democratic presidential frontrunner Hillary Clinton faces a congressional grilling over her role during and after the deadly attacks on the US mission in Benghazi.
The parliament in Tripoli rejected a UN proposal to resolve Libya's political crisis but said it wanted to press on with talks toward reaching an accord with its rival in the east of the country.
The State Department released a first batch of emails by Hillary Clinton, giving an unprecedented glimpse into the work of the former top diplomat.
More than 11,000 migrants have been rescued from the Mediterranean and taken to Italy in the past six days with hundreds more expected Friday.
Up to 400 illegal migrants died after their vessel capsized off the Libyan coast, said survivors who were brought to Italy.
The UN Security Council pressed Libya's warring factions to urgently form a unity government and threatened sanctions against those behind spiraling violence.
The UN Security Council unanimously adopted a resolution to step up the fight against Islamic extremists in Libya but without lifting the arms embargo.
Pope Francis expressed "profound sadness" over the beheading of 21 Egyptian Coptic Christians by Islamic militants in Libya, saying they had been killed for their faith.
The European Union said it will meet with the Egyptian and US governments this week to discuss joint action on Libya.
A Libyan coastguard official said a boat carrying 200 illegal migrants from sub-Saharan Africa was feared lost at sea off the capital Tripoli.
The death toll from the latest Mediterranean migrant boat disaster rose to 30 on Sunday, as Malta said it had found 29 bodies in the vessel's hold and Italy said a Syrian baby had died.
Islamist-led militiamen have stepped up their assault on Libya's main airport, controlled by rival fighters, which the health ministry said Monday had left at least 47 dead in a week.
Kazakhstan, a Central Asian oil producer, will expand its cooperation with the Organization of Petroleum Exporting Countries (OPEC).
Oil extended losses in Asia Thursday on prospects that Libya will begin exporting more crude into a global market flush with supplies, while easing concerns about the Iraqi crisis also weighed on prices.