US-backed forces push deeper into ISIS territory in Syria

U.S.-backed Syrian forces made new territorial gains against Islamic State on Saturday.
The Syrian Democratic Forces-SDF, bringing together Kurdish and Arab fighters, were now almost 17 km from the city of al-Bab, an Islamic State stronghold north east of Aleppo.
The SDF on Friday cut off the last route into the encircled town of Manbij from al-Bab after over a week of advances around that area, allowing it to lay siege to the large town from three directions.