Kim Yong-chun, the minister for armed forces in the Democratic People´s Republic of Korea (DPRK), has said that his country is prepared for a "holy war", using the nuclear deterrent.
Extensive live-fire exercises are currently being conducted by South Korea, which the North believes to be in preparation for war between the two nations.
Tension has been high since the shelling of Yeonpyeong island last month; an attack which resulted in the death of four South Koreans.
South Korean President Lee Myung-bak has promised immediate retaliation to any further Northern attack.