If the advances are sustained, they could dislodge Islamic State from its most important base outside the Middle East and provide a boost to the UN-backed Government of National Accord.
The reported bombing, which witnesses say caused dozens of casualties, follows three days of Islamic State attacks this week on Libya's biggest oil terminals.
Spanish diplomat Bernardino Leon was communicating by email with UAE officials about the position while he was overseeing negotiations between the two principal sides in Libya's conflict, one of whom is backed by the UAE.
Reports of beheadings and bodies strung up on poles have emerged following an attempted rebellion against Islamic State militants in the Libyan city of Sirte.
VICE News visits a Misrata workshop that makes arms for Libya Dawn militias, where volunteers use ingenuity and resourcefulness to turn decades-old munitions and vehicles into battle-ready weapons.
At least six people — including several women and children — were killed Sunday in a bombing at a security checkpoint near the Libyan city of Misrata.
"The Butlers and the Maids" is an American bar song in the tradition of Tom Waits or a bizarro Leonard Cohen.
Libya is slipping into chaos as US officials accused the UAE and Egypt of secret air strikes on Tripoli airport.
After nearly four weeks of fighting, Misrata militia take control of Libya's main airport.
Unidentified planes targeted several militia positions in Libyan capital including the Interior Ministry.
On Sunday, a column of jet-black smoke could be seen rising from Tripoli’s main fuel depot, located close to the airport.