China’s coastguard has carried out an exercise featuring water cannons and drones near two disputed reefs at the centre of its simmering South China Sea contention with the Philippines to prepare for “foreign infringement”, according to state media. A China Coast Guard flotilla “recently” conducted “comprehensive maritime law-enforcement training” in the waters around Second Thomas Shoal and Sabina Shoal, according to state broadcaster CCTV, which did not specify dates. The official television...