. >>> the campaigning ahead of pam stan's general election is over, but the violence and terrorism that marred the lead up to saturday's vote is continuing. militants are attacking parties and cani dates. the attacks happens in quetta. representatives vowed on thursday they would use suicide bombers against voters on polling day. the violence has killed more than 110-people since the beginning of april. it officially closed on thursday night. opinion polls show opposition parties gained support by appeals to growing anti-u.s. sentiment among voters. pakistan is a nuclear arms nation. it is a regional power house that plays a major role in the u.s.-led war on terror and can influence the neighbors afghanistan. it is expect todd have an impact beyond it's borders. nhk world's dhra dhirakaosal reports from the pakistani capital. the people of pakistan go to the polls on saturday to have their say on how they'd like the country to be run over the next five years. with the economy, domestic security, and the nation's very stability on the line, voters have some tough choices to make. and des

pam brown here in cleveland with me, thank you very much. of course that road to recovery is likely painful for these kidnap victims. no one knows that better than colleen staned and kept in a box for seven years. her incredible story of survival and hope will amaze you. >>> let's head back to atlanta and victor blackwell is standing by with some of the other morning top stories. >> live pictures from the international space station. an emergency space walk has started and we're looking at mission control and these are the two men who are going out on this 168th space walk at the iss, chris cassidy and tom marshburn, they have done each two space walks in the past so this is not the first for them. they're going to go out and repair an ammonia leak that could cause some problems. i want to bring back john zarrella, he's covering this from miami. i don't know, nasa tells us that there was a leak that was repaired back in november. do we know if this is the same leak that's being repaired again? >> they don't think so. nasa believes that this is a whole different leak and the same general area where that one took place but that this may well be and probably is