U.S. and Afghan special-operations troops pushed Islamic State fighters out of the district that the militants had aspired to make the capital of their local territory, the military said.
During a three-week offensive that just drew to a close, a pincer movement by Afghan commandos and U.S. Special Forces trapped hundreds of Islamic State militants in Gurgoray Valley, in Deh Bala District, 10 miles from the Pakistan border. The military estimates that combined air and ground attacks killed more than 160 fighters from Islamic...