IDF forces exposed an explosives laboratory in the West Bank city of Nablus Sunday afternoon, the second in two days. Click here for the video, from Ynet News. The raid was part of a large-scale military operation launched Sunday inNablus, which continues to be a major hub of terror activity. The army defined the operation as "activity against terror infrastructure." The operation was unlimited in time and scope and would be ongoing until its objectives were achieved, an IDF spokesperson said.