A man stands by his car as black smoke billows across the sky after a petrol depot was set ablaze during clashes between rival militias near Tripoli's international airport, on the outskirts of the capital, on August 13, 2014. Since mid-July, the country has been rocked by deadly inter-militia fighting for control of key facilities including Tripoli's international airport. Benghazi in the east, Libya's second city, has also seen battles between Islamists and the forces of a renegade general. AFP PHOTO/STR        (Photo credit should read -/AFP/Getty Images)