New York City’s Democratic mayor appeared on the “Fox & Friends” show alongside President Donald Trump’s border czar.

"If he [Adams] doesn't come through, I'll be back in NYC," Homan said in the interview Friday, highlighting the pressure Adams faces to cooperate with the Trump administration's immigration crackdown.

This image provided by Office of the Mayor of New York, shows President Donald Trump's border czar Thomas Homan, left, and New York Mayor Adams, right, and others, meeting in New York, Thursday ...