The Butler Eagle in Pennsylvania reported Sunday that the "shot at President Donald Trump" will cost cartoonist Wiley Miller "his place in the Eagle's Sunday comics."
A scribbled message in one panel of that day's cartoon appears to begin with "We fondly say go ..." followed by the message to Trump.
It's not clear whether other publications have dropped the strip, distributed by Andrews McMeel Syndication. The company's website says "Non Sequitur" appears in more than 700 newspapers.
Miller appeared to acknowledge the message in a tweet that said "some of my sharp-eyed readers have spotted a little Easter egg. ... Can you find it?"
Emails seeking comment were left with the syndicate and with Miller.
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