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A member of the forces loyal to Libya's UN-backed Government of National Accord (GNA) carries his weapon on the front line in the coastal city of Sirte, east of the capital Tripoli, during their military operation to clear the Islamic State group's (IS) jihadists from the city on September 19, 2016. / AFP / MAHMUD TURKIA (Photo credit should read MAHMUD TURKIA/AFP/Getty Images)

A member of the forces loyal to Libya's UN-backed Government of National Accord (GNA) carries his weapon on the front line in the coastal city of Sirte, east of the capital Tripoli, during their military operation to clear the Islamic State group's (IS) jihadists from the city on September 19, 2016. / AFP / MAHMUD TURKIA        (Photo credit should read MAHMUD TURKIA/AFP/Getty Images)