After delay, Kurdish forces launch battle to retake Iraq's Sinjar

By Isabel Coles NEAR SINJAR TOWN, Iraq (Reuters) - Kurdish forces launched an offensive on Thursday to retake the northern Iraqi town of Sinjar from Islamic State militants who overran it more than a year ago, killing and enslaving thousands of its Yazidi residents and triggering U.S.-led air strikes. Operation Free Sinjar aims to cordon off the town, take control of Islamic State supply routes and establish a buffer zone to protect the town from artillery, a statement from the Kurdish national