BEIJING, Aug. 22 (Xinhua) -- China calls on the U.S. side to thoroughly investigate and correct its errors of unwarrantedly questioning, harassing and repatriating Chinese students upon their entry into the United States, Chinese foreign ministry spokesperson Mao Ning said on Friday.

China has lodged representation with the U.S. side in each and every case and will continue to take measures to safeguard the legitimate rights and interests of its citizens, Mao said at a regular news briefing. ■