Republican presidential nominee Donald Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE on Sunday slammed Baltimore Mayor Stephanie Rawlings-Blake, calling her "a joke."

"I see where Mayor Stephanie Rawlings-Blake of Baltimore is pushing Crooked hard," he tweeted Sunday, a reference to his Democratic opponent, Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE.

"Look at the job she has done in Baltimore. She is a joke!"

I see where Mayor Stephanie Rawlings-Blake of Baltimore is pushing Crooked hard. Look at the job she has done in Baltimore. She is a joke! — Donald J. Trump (@realDonaldTrump) August 7, 2016

The mayor earlier Sunday had defended Clinton and attacked Trump.

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On Sunday, she shot back at the Republican nominee after his tweet.

"Girl bye, if he can't take criticism from "a joke", what's he gonna do when somebody really comes for him? #notready" she tweeted.