WASHINGTON (AP) — The Latest on the presidential campaign, with Democrats Hillary Clinton and Bernie Sanders holding events Sunday in California and Democrats in Puerto Rico voting in the party's primary (all times Eastern Daylight Time):

11:40 am.

Puerto Ricans frustrated by the island's economic crisis are voting in the U.S. territory's Democratic presidential primary, as front-runner Hillary Clinton drew closer to securing the number of delegates needed to win her party's nomination.

A blowout win Saturday in the U.S. Virgin Islands left Clinton just 60 delegates short of the 2,383 needed to win the nomination.

Sixty pledged delegates are at stake in Puerto Rico. Clinton would need to win more than 85 percent of the vote to get them all.

Voters were mainly focused on the island's economic crisis.

Clinton and rival Bernie Sanders visited Puerto Rico and pledged help as it seeks to restructure $70 billion worth of public debt that the governor has said is unpayable.

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10:30 a.m.

Donald Trump says "it's possible" he wouldn't be treated fairly if the federal judge hearing a lawsuit against Trump University was Muslim.

The presumptive Republican presidential nominee has called for banning Muslims from entering the United States.

Trump responds "it's possible, yes," when asked on CBS' "Face the Nation" whether he'd feel a Muslim judge would treat him unfairly because of his policies.

Trump has also proposed building a wall along the border between the United States and Mexico. He's been arguing that U.S. District Judge Gonzalo Curiel, who is overseeing the case, is biased against Trump because of the border proposal and the judge's heritage.

Curiel is an Indiana native whose parents are Mexican.

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9:45 a.m.

Former House Speaker Newt Gingrich says Donald Trump's criticism of a federal judge hearing a lawsuit against Trump University is one of the candidate's "worst mistakes" and is "inexcusable."

Gingrich is declining on "Fox News Sunday" to accuse the presumptive Republican presidential nominee of racism.

But Gingrich says Trump has to recognize that he's now the "potential leader" of the U.S. and should move his game to a new level.

Trump has proposed building a wall along the U.S.-Mexico border. And he argues that U.S. District Judge Gonzalo Curiel has a conflict of interest in the legal case because of the judge's heritage and because of Trump's border plan.

Curiel is a native of Indiana whose parents emigrated from Mexico.

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9 a.m.

Hillary Clinton says Donald Trump "doesn't really have ideas" but "makes bizarre rants and engages in personal feuds and outright lies."

Clinton is likely to clinch the Democratic presidential nomination in the next few days, and she's taking direct aim at Trump as she tries to move past challenger Bernie Sanders.

She tells ABC's "This Week" that people around the world aren't used to seeing an American presidential candidate who's "so loose with the truth, so divisive."

Clinton is just 60 delegates short of the 2,383 needed to advance to the November general election, according to The Associated Press' count. Puerto Rico holds its primary Sunday and 60 delegates are at stake.

On Tuesday, six states — including New Jersey and California — vote, with 694 delegates up for grabs.