"Stopping people because of what they look like — with dark skin, Asian, Latino or Native American characteristics is never acceptable," the group says in a letter.

Nine congressional Democrats sent a letter to the president urging him to direct ICE agents to "stop harassing" Native Americans.

Some Native American tribes say tribal members are being harassed by federal immigration agents, while others fear they could be wrongly caught up in immigration raids Why it matters: The angst among some Indigenous tribes reflects the confusion and fear even among legal citizens during the Trump administration's immigration raids.