Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE says the protesters who oppose him are lucky his supporters stay peaceful.

The presumptive GOP presidential nominee said in a series of tweets Saturday morning that many of those interrupting his recent events are illegal immigrants who disrespect the U.S.

The Mayor of San Jose did a terrible job of ordering the protection of innocent people. The thugs were lucky supporters remained peaceful! — Donald J. Trump (@realDonaldTrump) June 4, 2016

Many of the thugs that attacked the peaceful Trump supporters in San Jose were illegals. They burned the American flag and laughed at police — Donald J. Trump (@realDonaldTrump) June 4, 2016

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Anti-Trump demonstrations in San Jose, Calif. turned destructive late Thursday, with several violent events surrounding the billionaire’s visit.

Some protesters were witnessed torching one of Trump’s “Make America Great Again” hats, while others set a U.S. flag on fire. Activists also waved Mexican flags, and there were several physical clashes between Trump’s fans and foes.

A woman wearing a pro-Trump jersey was pelted with eggs and water bottles during the fracas.

President Obama on Friday condemned the incidents, saying they undermine the nation's political system.

“It is very important for us to remind ourselves who we are and what is best about American democracy and not slip into some of the bad habits that currently manifest themselves in the other party,” he said during a Democratic National Committee fundraiser in Florida.

“That’s not what you do. There’s no room for violence. There’s no place for shouting. There’s no room for a politics that fails to at least listen to the other side — even if you vehemently disagree.”

Democratic presidential candidate Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE on Friday urged anti-Trump protesters not to use force against his supporters.

“We are not going to defeat Trump by throwing eggs or getting involved in violence of any kind,” he said.

“We defeat Trump when stand together as one people and fight for a progressive agenda,” Sanders added.

John Podesta, chairman of Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE’s presidential campaign, on late Thursday also denounced aggressive behavior.