In recent weeks, a flurry of international visitors attempting to enter the United States from other countries have been denied entry at border checkpoints, leading to either deportations to their home countries or days or weeks of detention.

A 28-year-old British woman arrived in Britain earlier this week after she was held at an immigration detention center in Washington State for three weeks. She had attempted to enter the United States from Canada, and questions arose at the land-border crossing whether she had the correct visa.