Yang Gang, file photo. [Photo/Xinhua]

BEIJING - Yang Gang, a national political adviser, is under investigation for "suspected serious law and discipline violations," the discipline watchdog of the Communist Party of China (CPC) said Friday.

Yang is deputy director of the Committee for Economic Affairs of National Committee of the Chinese People's Political Consultative Conference (CPPCC), according to a statement posted on the website of CPC's Central Commission for Discipline Inspection.