Turkish troops and allied Syrian rebels expelled the Islamic State group from the last strip of territory it controlled along the Syrian-Turkish border on Sunday, effectively sealing the extremists' self-styled caliphate off from the outside world.

Syria: Turkey claims Islamic state group fighters have lost all territory along border

Turkish troops and allied Syrian rebels expelled the Islamic State group from the last strip of territory it controlled along the Syrian-Turkish border on Sunday, effectively sealing the extremists' self-styled caliphate off from the outside world.