BEIJING - China's anti-corruption watchdog is investigating the chairman of the Shanghai Airport Authority, Wu Jianrong, for suspected serious violations of discipline, it said on Monday, using a phrase that usually refers to graft.

The Central Commission for Discipline Inspection (CCDI) did say exactly what Wu was suspected of, however.

(Reporting by Beijing Monitoring Desk; Editing by Clarence Fernandez) ((vincentsy.lee@thomsonreuters.com; +86-10-6627-1277; Reuters Messaging: vincentsy.lee.thomsonreuters.com@reuters.net))