title: U.S.-backed SDF says Raqqa campaign in final stages
text: BEIRUT (Reuters) - The U.S.-backed Syrian Democratic Forces (SDF) said on Wednesday its campaign to capture Raqqa from Islamic State (IS) was in its final stages and its fighters had seized 80 percent of the city. In a statement, the SDF said it had opened a new front against IS on the northern edge of Raqqa, describing this as  a feature of the final stages of the Euphrates Wrath campaign, which is nearing its end . 