Tensions heighten on Korea peninsula

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PLEASE NOTE THIS EDIT CONTAINS CONVERTED 4:3 MATERIAL

North Korea repeats its threat on television to shut down the Kaesong industrial zone, that it jointly runs with South Korea.

South Korea responds by threatening to remove any remaining workers from the area.

(SOUNDBITE) (Korean) SOUTH KOREA'S UNIFICATION MINISTER RYOO KIHL-JAE SAYING:

"In the matter of pulling out our workers or not, I think we need to pull out our workers in the Kaesong Industrial zone to ensure their safety, when the situation requires us to do so."

The heightened rhetoric comes one day after South Korea's foreign ministry announced that the North had shifted missiles with "considerable range" to its east coast.

(SOUNDBITE) (Korean) SOUTH KOREA'S DEFENCE MINISTRY SPOKESMAN KIM MIN-SEOK SAYING:

"We have not confirmed what kind of missiles (North Korea has moved to the east coast). As you mentioned, if it is assumed to be a Musudan missile, it can fly to Guam. The