California Gov. Gavin Newsom asked the Trump administration to rescind the deployment, saying the federal government was moving to "take over the California National Guard," calling the move "purposefully inflammatory" and saying it will "only escalate tensions."

The ban has been strongly condemned as discriminatory by groups that provide aid and resettlement to refugees, who say it will prevent many people from reuniting with family and jeopardize the safety of those fleeing conflict and persecution in countries such as Afghanistan.