Third teenager has been caught trying to flee Australia to join Islamic State . It comes after 200 brothers attempted the same thing earlier this month . The latest boy , 17 , was taken off a plane at Sydney airport on March 12 . He has since returned home to his family , but authorities are investigating . So far , two Australians have been stopped from joining Middle East conflict .
Third teenager has been caught trying to flee Australia to join Islamic State . It comes after two brothers attempted the same thing earlier this month . The latest boy , 17 , was taken off a plane at Sydney airport on March 12 . He has since returned home to his family , but authorities are investigating . So far , 200 Australians have been stopped from joining Middle East conflict .