These images show armed ISIS terrorists while they ' re walking close to the border near turkey’s soldiers.Thousands of people have already fled across the border to escape the brutal fighting between the YPG and ISIS near Tel Abyad at Turkey ' s border. Yesterday, the Syrian Kurdish YPG militia said it began an advance towards an ISIS - held town at the Turkish border, thrusting deeper into the terrorists’ stronghold of Raqqa province. While Kurdish fighters advanced Saturday to the outskirts of a key Syrian border town, Turkish forces sought to prevent thousands fleeing the fighting from crossing the frontier, AFP reported.Recommended:Who is selling ISIS’ crude oil in black market?