A CHINA-FLAGGED vessel has been monitored operating near the Philippines’ exclusive economic zone (EEZ) off Batanes, with its movements raising questions over its purpose and activities in the area, according to maritime monitoring group SeaLight.SeaLight identified the vessel as the 46-meter Mu Shan Zi (MMSI 412425790), a China-flagged ship that reportedly departed from a berth in Dongshan, Fujian, China, before sailing toward waters northwest …