North Korea Fires Missiles as U.S., South Try for Diplomacy

North Korea fired three short-range ballistic missiles off its east coast early Saturday, as U.S. and South Korean forces were conducting joint exercises on the peninsula and just days after Secretary of State Rex Tillerson had praised Pyongyang for exercising restraint.

The latest North Korean provocation comes as a rebuke to policy makers in Seoul and Washington, who have been making diplomatic overtures to dissuade Pyongyang...