President Donald Trump posted a meme on social media Saturday saying that Chicago "will find out why it’s called the Department of WAR," as the city’s officials brace for an immigration crackdown.

"I love the smell of deportations in the morning … Chicago about to find out why it’s called the Department of WAR," the post reads. Trump signed an executive order on Friday to rebrand the Pentagon as the "Department of War."

The post includes what appears to be an artificially generated image of the president wearing a hat and sunglasses, with the Chicago skyline in the background, accompanied by text reading "Chipocalypse Now."

Democratic Illinois Gov. JB Pritzker on Saturday called Trump’s post "not normal."

"The President of the United States is threatening to go to war with an America

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