North Korea has made clear a change in leadership won't mean a change in policy.
North Korea has ended 11 days of official mourning for leader Kim Jong Il.
His son Kim Jong Un has been declared supreme leader of the ruling party and military.
On North Korean TV the presenter read out a statement from the Defense Ministry: "On this occasion, we solemnly declare with confidence that foolish politicians around the world including the puppet forces in South Korea should not expect any changes from us."
In a statement on December 30, Pyongyang's National Defense Commission said South Korea and "other foolish politicians around the world" should not expect changes to its policies.
It also said it would never deal with the "traitor group" led by South Korean President Lee Myung-bak.
It says the North will unite around leader Kim Jong Un.
compiled from agency reports
