Libya bombings
Blast hits Libyan crude pipeline, cutting output by 90,000 bpd
The attackers arrived at the site near Marada in two cars and planted explosives on the pipeline, a military source said.
A US official, speaking on condition of anonymity, said the strikes were carried out by armed drones.
Since 2012, a series of gold rushes from Darfur in the east to Algeria in the west had further destabilised the region.
The Abu Dhabi meeting is seen as a step forward, although many hurdles remain to reaching a new broad agreement to stabilise Libya.
Their six-month campaign has slowed as they have got closer to fully recapturing Sirte.
Militants have staged several attacks including suicide bombings from behind the front lines in Sirte.
Forces allied with Libya’s unity government began a campaign two months ago to free Sirte from Islamic State.
Several loud explosions followed by heavy gunfire were heard over Tripoli in the early hours of Wednesday.
The United States has carried out air strikes in Libya targeting Islamic State, also known as ISIL.
The coastal city has been controlled for months by the militant group, which has used it as a base.
No group has immediately claimed what is one of the deadliest attacks since the fall of Gaddafi in 2011.
The UN has presented a proposal for a national unity government between the two main political factions.
An army commander blamed Islamist fighters for the rocket strike.
The children died when a rocket hit their neighbourhood, where army forces & Isis brigades have been fighting.
There was no immediate claim for the attack or comments from Tripoli officials.
UN Special Envoy Bernardino Leon condemned the air strikes as an attempt to prevent peace talks.
A bag of explosives went off at a checkpoint next to a security building in a Tripoli suburb.
Rival governments and parliaments are battling for control of the North African country and its oil.
Libya said it needs a massive shipment of weapons and military equipment to take on Islamic State militants.