S.Korea confirms North Korea conducted nuclear test

SEOUL - South Korea confirmed North Korea has conducted a nuclear test on Tuesday at its known atomic test site near the east coast and urged Pyongyang to drop its nuclear program.
"North Korea is confirmed to have conducted a nuclear test," said Chun Yung-woo, national security adviser to South Korea's President Lee Myung-bak.
"It is a direct challenge to the international community and an unforgivable threat to peace and stability of the Korean peninsula and Northeast Asia."