IS crushed al-Sheitaat tribe revolt in 2014 killing 700 people.
Source: Syria: Isis executes al-Sheitaat tribe teenager with bazooka in Deir al-Zour
http://www.ibtimes.co.uk/syria-isis-kills-shaitat-tribe-teen-bazooka-deir-al-zour-1502356
IS crushed al-Sheitaat tribe revolt in 2014 killing 700 people.
Source: Syria: Isis executes al-Sheitaat tribe teenager with bazooka in Deir al-Zour
http://www.ibtimes.co.uk/syria-isis-kills-shaitat-tribe-teen-bazooka-deir-al-zour-1502356