War Threatening Over Navy Ship Row by North Korea

North Korea has threatened to take strong measures, including war, if the South imposes permits after blaming it for sinking a navy ship. South Korea accused its neighbor of firing a torpedo that sank the Cheonan warship in March, killing 46 sailors.

President Lee Myung-bak vowed to take "stern action" following the release of long-awaited results from a multi-national investigation into the incident.

Investigators in the South said evidence tremendously proves North fired a homing torpedo causing a massive underwater blast. In the conference chief investigator Yoon Duk-Young showed a propeller fragment bearing a serial number that matched the markings on a North Korea torpedo that South Korea obtained years earlier.

58 sailors were saved from the Yellow Sea near the Koreas' maritime border, but 46 died. North describes the result of investigation as fabrication and warned it will take strong measures including war if South Korea imposes sanctions.

But the United States backed South Korea over its charge and vowed to support