
Further details into why he left his post were not immediately available. The Chinese embassy in Ottawa did not immediately respond to a request for comment.
China's foreign ministry said earlier that Chinese Vice Foreign Minister Ma Zhaoxu held talks with visiting Canadian Deputy Foreign Minister David Morrison and the two discussed "China-Canada relations and other issues of mutual interest and concern."
The Chinese ambassador's departure was first reported by the Globe and Mail. Cong's posting ended on Apr 9 and came as a surprise to some in the diplomatic corps because of its abruptness, the newspaper said, citing sources.