Pyongyang claimed it was retaliating for South Korean artillery landing in their waters during a military drill . North Korea is suffering after a powerful tropical cyclone hit last month , killing dozens . Comment: North Korea has n't taken aid from the South in two years . North and South are legally at war and relations between the two are very tense .
North Korea is suffering after a powerful tropical cyclone hit last month , killing dozens . Comment: North Korea has n't taken aid from the South in two years . North and South are legally at war and relations between the two are very tense .