By 27 February , the Turkey - backed FSA and Turkish Armed Forces seized al - Bab .
In February 2017 , the Turkish - backed Free Syrian Army and the Turkish Armed Forces advanced to besiege al - Bab .
By 27 February , the Turkish - backed Free Syrian Army and Turkish Armed Forces seized al - Bab .
In February 2017 , the Turkish - backed Free Syrian Army and the Turkish Armed Forces advanced to besiege al - Bab .