pPARIS ? Islamist guerrillas seized a number of hostages, including Americans, in a brazen attack early Wednesday on a remote gas-production facility in Algeria, and the United States vowed to take all necessary steps to deal with what it called a ?terrorist act.?/pa href="http://www.washingtonpost.com/world/africa/french-troops-advance-on-islamist-rebels-in-northern-mali/2013/01/16/636ad020-5fee-11e2-b05a-605528f6b712_story.html?wprss=rss_world"Read full article #62;#62;/aimg width='1' height='1' src='http://feeds.washingtonpost.com/c/34656/f/636708/s/2796023d/mf.gif' border='0'/br/br/a href="http://da.feedsportal.com/r/153443301588/u/0/f/636708/c/34656/s/2796023d/a2.htm"img src="http://da.feedsportal.com/r/153443301588/u/0/f/636708/c/34656/s/2796023d/a2.img" border="0"//aimg width="1" height="1" src="http://pi.feedsportal.com/r/153443301588/u/0/f/636708/c/34656/s/2796023d/a2t.img" border="0"/