WASHINGTON (AP) — President Donald Trump said Thursday he was unhappy with his supporters chanting “send her back” after he assailed a young Democratic congresswoman who he’s suggested should leave the U.S.

Speaking in the Oval Office, Trump said he tried to stop the chant, which came after he recited a litany of complaints about Rep. Ilhan Omar of Minnesota, who fled to the U.S. as a child with her family from violence-wracked Somalia. Video shows the president pausing his remarks, appearing to drink in the uproar and not admonishing his supporters as they chanted.=

“I was not happy with it,” Trump said a day later as some prominent Republicans criticized the chant at the president’s re-election event. He said he “would certainly try” to stop the chant should it return at a subsequent rally.

So far, no GOP lawmakers are directly taking on Trump over the episode.

The muted reactions by congressional Republicans followed a pattern that’s become familiar after numerous incidents in Trump’s presidency when he’s made antagonistic or racially provocative comments.

At the Wednesday campaign rally in Greenville, North Carolina, Trump tore into four progressive freshman congresswomen who last weekend he tweeted should return to their native countries if they “hate America.” Of the four, who strongly oppose many of Trump’s policies, one is black, one is Hispanic and two are Muslim. All are American citizens, and three were born here.

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