Prime Minister Shinzo Abe and U.S. President Donald Trump agreed Tuesday that it is "most important" for the international community, including and China and Russia, to cooperate in efforts to stop North Korea from launching another ballistic missile, Abe told reporters.

During a 30-minute phone conversation, Abe said he appreciated Trump's pledge to defend U.S. allies from the North Korean missile threat.

"We highly appreciate the commitment by Mr. Trump to the safety of allied countries," Abe said at the Prime Minister's Office.