Senator Thom Tillis, a Republican from North Carolina, called for President Donald Trump to remove longtime adviser Stephen Miller from the administration on Sunday.

Tillis described Miller as an "embarrassment" and criticized his hardline approach to immigration policy during an appearance on CNN. The senator characterized Miller as a "big problem" for the administration.

Miller has been a key architect of Trump's immigration policies throughout the administration and has maintained significant influence on related policy decisions.

Tillis's comments come amid recent personnel changes within the Trump administration, including the high-profile firing of Department of Homeland Security Secretary Kristi Noem last week.

The criticism from Tillis represents notable intraparty criticism of Miller, who has been one of Trump's most consistent advisers on immigration matters since the early days of the administration.