Afghan forces launch major offensive against Taliban fighters in Afghanistan region . The area is not far from the Afghan-Pakistan border . Military action is first taken by new government amid concern over threat to Taliban . 40 militants killed in clashes with coalition forces in Afghanistan , coalition says .
Afghan forces launch major offensive against Taliban fighters in Afghanistan region . Military action is first taken by new government amid concern over threat to Taliban . 40 militants killed in clashes with coalition forces in Afghanistan , coalition says .