A Taiwan Coast Guard patrol vessel moves in Keelung, as China conducts "Justice Mission 2025" military drills around Taiwan, in Keelung, Taiwan, December 30, 2025. REUTERS/Ann Wang Ann Wang Reuters BEIJING/TAIPEI - China and Taiwan sparred on Wednesday over the legality of Chinese coast guard patrols to the east of the island, after the government in Taipei said merchant ships had been "harassed" close to its waters.