Backdrop to an Intervention: Sources of Egyptian-Libyan Border Tension – Carnegie Endowment for International Peace.

The airstrikes that Emirati forces with Egyptian support conducted against militia positions in Libya in late August 2014 were sparked by an anti-Islamist military campaign in eastern Libya.  The campaign, led by retired General Khalifa Hifter and a breakaway faction of the Libyan military, has profoundly altered Egyptian-Libyan relations. But the roots of Egyptian meddling in Libya run deeper than Hifter’s current operation.

Among Libya’s many afflictions, none is more threatening to Egypt than the two states’ nearly 700-mile-long shared border. Border policing in Libya has always been weak and ill-defined—even under Muammar Qaddafi—but it has suffered a catastrophic decline following the dictator’s overthrow in 2011. Oversight of borders has devolved to a constellation of eastern militias that are only tenuously connected to the government and that, in many cases, are colluding in the very smuggling they are meant to combat. The border is now North Africa’s eastern thoroughfare for weapons, fighters, illegal migrants, and illicit goods flowing into the Levant, with profoundly destabilizing effects on the Sinai, Gaza, and Syria…