Foreign Office announces suspension of consulate activities as sectarian violence intensifies in Tripoli.
Filipino government calls for its workers in Libya to leave country following latest incidents.
Islamist group's move follows capture of Benghazi army base after killing dozens of soldiers.
Crude prices declined in the absence of any strong news of violence from conflict-hit oil producers while downbeat demand outlook added to the bearishness.
Clashes between rival militias fighting for Tripoli airport have killed 47 over the last week.
Libya has failed to maintain security in the wake of Muammar Qaddafi's ousting in 2011.
Rival militias have clashed at country's main airport since Sunday.
Government spokesman says most of airport's planes destroyed by rockets.
Heavy gunfire reported between Islamist extremists and Zintan group, which controls airport.
Opec predictions for 2015 show US boosting its own oil production by 7%.
Brent crude futures stubborn above $112 a barrel as Iraq government struggles to defeat insurgency.
Special operation of drones, commandos and FBI agents led to capture of Ansar al-Sharia leader.
OPEC members embroiled in political turmoil push Brent futures above $112 a barrel.
Mohamed Gaddafeddam bin Nail outlines his political ambitions in an exclusive English-language interview with IBTimes UK
Mohamed Gaddafeddam bin Nail outlines his political ambitions in an exclusive English-language interview with IBTimes UK
Exploration likely to suffer as government accuses former general of launching a coup
Armed forces commander in-chief of Nouri Abu Sahmein deploys Islamist Libya's Central Shield militia in Tripoli.
Heavy gunfire heard outside the Libyan interim parliament in capital Tripoli and gunmen have also set fire to the building.
Jordanian ambassador to Libya Fawaz al-Itan has been released by his captors and is on his way home.
Rebels are blocking oil exports from the eastern ports of Ras Lanuf and Es Sider.
Brent crude slipped after data suggested the world's biggest oil consumers were slowing down.
Al-Qaida in Arabian Peninsula and al-Qaida in Islamic Maghreb have become stronger, says State Department report.