Libya has been beset by chaos since Nato-backed forces overthrew long-serving ruler Col Muammar Gaddafi in October 2011.
The oil-rich country, a key departure point for some of the thousands of migrants travelling to Europe, once had one of the highest standards of living in Africa, with free healthcare and free education.
But the stability that led to its prosperity has been shattered and the capital, Tripoli, is now the scene of serious fighting between rival forces as negotiations to build a post-Gaddafi Libya stall.
Is anyone in control?
Only Libya's myriad armed militias really hold sway – nominally backing two centres of political power in the east and west with parallel institutions.
This is under the leadership of Prime Minister Fayez Sarraj, an engineer by profession. He arrived in Tripoli in March 2016, four months after a UN-brokered deal to form a unity government, to set up his administration. Over the last three years he has worked to gain the support of the various militias and politicians, but he has little real power over the whole country or of the forces ostensibly under his control.
When those who held power…
