KEY POINTS
  • Libya's eastern military leader General Khalifa Hifter has ordered his forces to march into Tripoli, the seat of a rival United Nations-recognized government.
  • Fayez Sarraj, who heads the government in Tripoli, has accused Hifter of "betraying" him.
  • The United States has temporarily withdrawn some of its forces from Libya due to "security conditions on the ground."

The United States has temporarily withdrawn some of its forces from Libya due to "security conditions on the ground," a top military official said Sunday as a Libyan commander's forces advanced toward the capital of Tripoli and clashed with rival militias.

A small contingent of American troops has been in Libya in recent years, helping local forces combat Islamic State and al-Qaida militants, as well as protecting diplomatic facilities.