Abd al-Salam al-Badri, deputy PM in eastern-based government, rails against Turkish efforts to claim natural gas resources in Mediterranean and urges Israel to oppose them

Clashes threaten to ignite civil war on the scale of the 2011 uprising that toppled and killed dictator Muammar Gaddafi

Meeting comes amid military offensive by Libyan commander to take capital Tripoli; UN health agency says fighting has killed 121 people in 10 days