Wells Fargo has suspended all travel to China after the incident, a person familiar with the matter told Reuters. Shanghai-born Chenyue Mao, who spearheads the bank's international factoring business, was subjected to the ban after she entered China in recent weeks, the Wall Street Journal reported. She is a U.S. citizen, a source told Reuters.

Wells Fargo has suspended all employee travel to China after one of its senior bankers was barred from leaving the country, a source familiar with the matter told Reuters on Thursd

China has prevented a Wells Fargo banker from leaving the country, the American bank said, adding to concerns about travel there as tensions with Washington remain high. A Wells Fargo spokesperson said the bank was “closely tracking this situation and working through the appropriate channels so our employee can return to the United States as soon as possible”.