U.S., European and Asian leaders are condemning North Korea's missile launches.
President Bush says North Korea has isolated itself further with its missile tests.
Mr. Bush on Wednesday stressed that many nations need to engage in dialogue with North Korea. He says the United States and its partners in the six-party disarmament talks -- Japan, South Korea, China and Russia -- will continue to work together to encourage North Korea to verifiably abandon its weapons programs.
China expressed concern about the missile tests. In Russia, officials summoned the North Korean ambassador to explain the missile firings. South Korea called upon Pyongyang to return to disarmament talks.
Japan called the launches a grave problem for its national security and raised its military alert status. Japanese Prime Minister Junichiro Koizumi called for dialogue to resolve the situation.
European Union Foreign Policy Chief Javier Solana says the tests add tension to the already complex situation in the region.
NATO says the missile tests will further isolate North Korea from the international community.
U.S. Secretary of State Condoleezza Rice called the tests a provocation.
U.S. Assistant Secretary of State Christopher Hill leaves for Asia on Wednesday to discuss the situation.
Australian Prime Minister John Howard said the missile tests run counter to the interests of North Korea and the interests of the whole region.