S. Korean President Halts Trade with North

South Korea has cut buy and sell ties with North Korea and demand an apology from the manager after a account from Pyongyang answerable for torpedoing any one of its warships. Seoul has warned that in the future will right away defend them against attack.

Mr. Lee says inter-Korean swap over and trade will be stopped up. Moreover, North Korean ships will no longer be allowable to sail through South Korean waters.

U.S. Backs Seoul's Charge That North Korea Sank Ship

"Such unacceptable behavior only deepen North Korea's isolation," the White House said in a statement. It strengthens the resolve of its neighbors to step up cooperation to ensure peace and stability in the region against all provocations. "