EXCLUSIVE – House Homeland Security Committee Chairman Bennie G. Thompson, D-Miss., was seeking extra protection for members of Congress on Monday after President Trump’s tweets and remarks about the progressive “squad.”

Trump’s remarks apparently were directed at four congresswomen: Reps. Ilhan Omar of Minnesota, Alexandria Ocasio-Cortez of New York, Ayanna Pressley of Massachusetts and Rashida Tlaib of Michigan. All are American citizens and three of the four were born in the U.S.

Far from backing down, Trump on Monday dug in on comments he had initially made a day earlier on Twitter that if lawmakers “hate our country,” they can go back to their “broken and crime-infested” countries.

The House Committee on Homeland Security Chairman Rep. Bennie G. Thompson, D-Miss., right, is seeking extra protection for members of Congress. The letter is addressed to Senate Sergeant at Arms Michael Stenger, left, because, this year, he heads the Capitol Police Board. (Getty, File)

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“If you’re not happy in the U.S., if you’re complaining all the time, you can leave, you can leave right now,” he said.

In the letter for House Sergeant at Arms Paul Irving and Senate Sergeant at Arms Michael Stenger, Thompson argued that the Capitol Police Board should meet to “analyze the current threat environment and set thresholds for enhanced safety of Members.”

Thompson asked for a meeting within 48 hours and a classified readout of the meeting.

The letter was addressed to Stenger because he has headed the Capitol Police Board this year.

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Thompson said security officials should set “thresholds for enhanced security for certain targeted Members, and evaluate threat streams with law enforcement partners in Member districts. Being proactive in this instance is vital to the safety of not only these targeted Members, but all Members of Congress.”

Fox News has been told that despite Thompson’s pleas, other lawmakers have faced more serious threats than members of the squad ahead of Trump's tweets.