A Japanese Maritime Self-Defense Force destroyer temporarily sailed into Chinese territorial waters off the country's eastern province of Zhejiang last week, despite repeated warnings by Chinese vessels, diplomatic sources said Wednesday.The Suzutsuki, tasked with monitoring Chinese military drills on the high seas, navigated into Chinese waters on July 4, in a rare move by a Self-Defense Forces vessel.Beijing has conveyed its serious concern to Tokyo over the incident, leading the Japanese Defense Ministry to launch an investigation into the ship's captain, the sources said. The ministry d…READ FULL ARTICLE