Rival armed factions are fighting for control over crucial oil terminals in the east of Libya. The forces of military strongman Khalifa Haftar, who have controlled the "oil crescent” since September, lost ground, their spokesman says. He said they had carried out air strikes against a faction known as the Benghazi Defence Brigade, after it launched an attack on Friday. Four oil terminals in the area provide much of Libya’s export income. Libya remains regionally split with two centres of power that politically oppose each other, and a myriad of rival armed groups.