north korean foreign minister pak ui chun will join the talks on tuesday. observers will be focusing on what he says to help resolve the nuclear issue. >>> rescue workers in northern india are racing to save survivors of severe flooding. more than a thousand people have been stranded for days. and they're facing the threat of disease. teams are rushing to airlift them to safety. days of heavy rain swelled rivers damaging roads and buildings in the himalayan state of uttarkhand. authorities say more than 800 people have died. but india's home minister says the final number could be above 1,000. landslides have cut off road access to many isolated areas. crews are flying in helicopters to reach some 1,200 people who are trapped. state-run television ddi reports rescue operations picked up pace on friday. aid workers warned those who are stranded face the threat of disease because of unsanitary conditions. they're calling for clean water and food to be delivered to prevent the situation from further deteriorating. india is experiencing its worst floods since a