WASHINGTON -- President Donald Trump said Monday he thinks it would be a "great thing" if border czar Tom Homan arrests Gov. Gavin Newsom.

"I would do it if I were Tom. I think it's great," Trump said as he arrived at the White House from Camp David. "Gavin likes the publicity, but I think it would be a great thing."

Newsom responded on social media, writing, "The President of the United States just called for the arrest of a sitting Governor. This is a day I hoped I would never see in America. I don't care if you're a Democrat or a Republican this is a line we cannot cross as a nation -- this is an unmistakable step toward authoritarianism."

Trump called the protesters "professional agitators" and "insurrectionists, bad people."

"They should be in jail," Trump said at the White House

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