Trucks laden with medicine and other aid stand ready at the border between South and North Korea.<br/> <br />Although tensions are high between the two nations, South Korean civic groups say their northern neighbours can use all the help they can get in the wake of major flooding.<br/> <br />This man from the Serving Society International said he hoped the aid would defuse the animosity of late.<br/> <br />The reclusive and isolated north appealed for international help after being hit by typhoons and torrential rains.<br/> <br />This prompted South Korean authorities to allow aid groups to rally resources.<br/> <br />The Koreas have traded several threatening barbs this week when North Korea threatened attack over anti-government flyers reaching its territories via balloon.<br/> <br />The south banned the leaflets, but said it would respond to any aggression with attacks of its own.