by KIM TONG-HYUNG and MARI YAMAGUCHI
SEOUL, South Korea (AP) — North Korea fired at least six missiles into the sea on Thursday, including an intercontinental ballistic missile that triggered evacuation warnings and halted trains in northern Japan, adding to a recent barrage of weapons tests that has escalated tensions in the region.
The ICBM test was followed by launches of two short-range ballistic missiles in the morning, drawing swift condemnation by North Korea’s neighbors and the United States, which reacted by extending ongoing joint air force exercises with South Korea.
The South Korean and Japanese militaries said North Korea later fired three more short-range missiles into waters off its eastern coast. Those launches came an hour after a senior North Korean military official issued a statement threatening retaliation over the extension of the U.S.-South Korea drills. Japanese Defense Minister Yasukazu Hamada said the missiles traveled as far as 500 kilometers (300 miles)…