North Korea has conducted its third nuclear test in defiance of UN resolutions, angering the US and Japan and prompting China to call for calm.
Kim Jong-un has been made "Marshal" of North Korea, a title previously held by his late father, as the young successor tightens his grip on power.
Barack Obama has urged North Korea to cancel a planned rocket launch, warning the regime it had nothing to gain from 'threats or provocations'.
North Korea said on Saturday it will hold an annual parliamentary session next month during which Kim Jong-un, is expected to be appointed officially.
Kim Jong-il impersonator fears his career might have run its course after the death of the North Korean leader.
The preserved body of Kim Jong-il will go on permanent display in a Pyongyang palace and memorial towers will be built to honour the late leader.
Tens of thousands of North Koreans have packed the snowy main square of the capital to pledge their loyalty to new leader Kim Jong-un.
A day after mourners packed Pyongyang to bid adieu to 'Dear Leader' Kim Jong-il, North Korea has completed the transfer of power to his youngest son.
Kim Jong-Il's son, Kim Jong-Un, is being lauded as the head of the workers' party central committee while his uncle shapes as power-broker.
Kim Jong-un has been identified as head of a top decision-making body of the Workers' Party, giving him authority over political and military matters.
North Korea's leading newspaper has referred to the son of Kim Jong-Il as head of a key ruling party body, suggesting he's on track to take control.
North Korea has warned of 'unpredictable catastrophic consequences' for relations unless Seoul eases restrictions on visits to mourn Kim Jong-Il.
North Korea has vowed to uphold with 'blood and tears' Kim Jong-il's son as 'supreme commander' as the country prepares him to be its leader.
North Korea appears to be making an orderly transition after the death of Kim Jong-il last week, but the risk of collapse is higher than before.
North Korea appears to be making an orderly transition after the death of leader Kim Jong-il last week but the risk of collapse is higher than before.
Mourning centres have been set up across North Korea in a show of public grief over Kim Jong Il's death, but attention is shifting to his young son.
The ANC Youth League has offered its condolences to the people of North Korea over the death of its Great Leader.
Kim Jong-Il's death is raising tough questions, not only of policy but of protocol, with major world powers divided on how to offer condolences.
North Korea's new young leader Kim Jong-un will have to share power with an uncle and the military after the death of his father Kim Jong-il.
North Korea says millions of people have turned out to mourn Kim Jong-Il, whose death has left the world scrambling for information on his successor.