Democratic presidential front-runner Hillary ClintonHillary Diane Rodham ClintonDemocrats ask judge for quick ruling on McGahn subpoena Hillary Clinton: 'Every day Stephen Miller remains in the White House is an emergency' The Memo: Centrists change tone of Democratic race MORE called for a stop to violence at Donald TrumpDonald John TrumpDem senator says Zelensky was 'feeling the pressure' to probe Bidens 2020 Dems slam Trump decision on West Bank settlements Trump calls latest impeachment hearings 'a great day for Republicans' MORE's campaign rallies in an interview that aired Sunday, blaming the presumptive Republican presidential nominee for setting a "very bad example." 

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"This has to end. He set a very bad example. He created an environment in which it seems to be acceptable for someone running for president to be inciting violence, to be encouraging his supporters," Clinton said on CNN's "State of the Union." 

"Now we're seeing people who are against [Trump] responding in kind. It should all stop. It's unacceptable." 

A recent Trump rally in San Jose, Calif., was marred with violence by anti-Trump demonstrators. 

Nearly 400 protesters gathered outside the Trump event. Four people were arrested, including one for assault with a deadly weapon, according to ABC News.