A significant number of visas may be revoked. Foreigners who have applied for asylum status could be affected. The move would impact business and tourism visas. It is expected to be the largest of its kind.

Details about the plan are still emerging. The State Department and Department of Homeland Security are involved. Further information is available from official sources.

The number of people affected could be as high as 200,000. This action may face legal challenges. More details can be found in reports from the Associated Press.