Libya's GNA forces still face dogged resistance in Sirte

Within weeks, forces loyal to Libya's Government of National Accord (GNA) recaptured large chunks of the coastal city of Sirte that IS jihadists had seized in June 2015 as a staging post for an expansion into North Africa. But they have failed to dislodge the last pockets of IS fighters, holed up in the fiercely-defended district of Al-Giza Al-Bahriya, in a costly battle that has left at least 667 dead and 3,000 wounded in GNA ranks.