Fifteen years after the fall of Muammar Gaddafi, Libya remains deeply divided. Hopes for stability following the 2011 revolution have given way to a prolonged political, institutional and security crisis, fuelled by the existence of two rival centres of power.

The US government is intensifying efforts to unify the country's two rival governments.

Fifteen years after the fall of Muammar Gaddafi, Libya remains deeply divided. Hopes for stability following the 2011 revolution have given way to a prolonged political,…