North Korea warns of 'fire shower' of nuclear attacks

North Korea threatened the US with a 'fire shower' of nuclear attacks Thursday after the latter said it would provide nuclear defense for South Korea. The North said the US's actions justified its possession of atomic weapons. The salvo in Pyongyang's main Rodong Sinmun newspaper was the North's latest reaction to last week's summit between President Barack Obama and South Korean President Lee Myung-bak. The allies issued a joint statement committing the US to defend the South with nuclear weapons. It also came as an American destroyer trailed a North Korean ship suspected of shipping weapons in violation of a UN resolution punishing Pyongyang's May 25 nuclear test, and as anticipation mounted that the North might test-fire short- or mid-range missiles.