Japan Self-Defence Forces soldiers refuel a unit of Patriot Advanced Capability-3 (PAC-3) missiles at the Defence Ministry in Tokyo today. Japan has also deployed Aegis radar-equipped destroyers carrying Standard Missile-3 (SM-3) interceptors in response to North Korea's threats, according to its government. Photograph: Issei Kato/Reuters

South Koreans braced for the "very high" chance of a North Korean missile test as soon as today as a top American military commander said the t(...)