The battle for the last scrap of land held by ISIS has taken longer than expected.
Syrian Rebels Capture Key Air Base
Syrian opposition fighters have overrun Taftanaz airbase, the largest in northern Syria, after several days of fierce combat, the Syrian Observatory for Human Rights has said. Anti-government activists said fighters seized control of buildings in the sprawling Taftanaz airbase on Friday. Al Jazeera's Rula Amin reports from Beirut