Chinese authorities have placed an exit ban on a China-born executive after she entered the country recently. The bank has suspended travel to China.

China is preventing a Chinese American banker for Wells Fargo and, separately, an employee of the U.S. Patent and Trademark Office from leaving the country.

HONG KONG (Reuters) -Wells Fargo has suspended all travel to China after a banker was blocked from leaving the country, a source said, bringing the U.S. bank's operations in the world's second-largest economy into focus.