North Korea 's rocket launch failure increases chance of nuclear test , analyst said . Comment: Launch was meant to mark 100 years since the birth of Kim Il-sung . A nuclear test would also fit North Korea 's pattern of serial provocations , analysts said .
North Korea 's rocket launch failure increases chance of nuclear test , analyst said . Unha-3 broke up soon after launch , debris crashed into ocean , officials said . Launch was meant to mark 100 years since the birth of Kim Il-sung . A nuclear test would also fit North Korea 's pattern of serial provocations , analysts said .