Israeli troops imposed a curfew on downtown Nablus and clashed with Fatah fighters as the army's activities moved Thursday from Gaza to the West Bank. The Nablus raid was an indication that Israel will not stop fighting fighters linked to President Mahmoud Abbas' Fatah movement — even though Israel is supporting Abbas in his struggle against Hamas that seized control of the Gaza Strip two weeks ago. The Nablus operation, which Palestinian witnesses said was the largest in several months, began late Wednesday as two fiercely resisted incursions into Hamas-controlled Gaza were ending, the Associated Press reported. --MORE