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.

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.

Wells Fargo & Co. suspended travel to China after one of its bankers who works in trade financing was recently blocked from leaving the country.