U.S. deploys warship as tensions over North Korea rise

WASHINGTON (Reuters) - The Pentagon said on Tuesday that a second U.S. guided-missile destroyer had taken position in the western Pacific on a missile defence mission, as tensions rise over North Korea's threats of war against the United States and its ally, South Korea.

The announcement is the latest confirmation of minor adjustments to the posture of the U.S. military, which is seeking to reassure allies in Seoul and Tokyo of American military capabilities to respond to any moves by Pyongyang.