Arrests, pepper spray and smoke bombs disrupted a protest in Berkeley, Calif., on Sunday when violence broke out between groups of protesters.

Reports indicate 14 people were arrested during a rally that attracted supporters and detractors of President Trump as well as protesters with signs opposing hate groups to Martin Luther King Civic Center Park.

Several of those targeted for violence were known for pro-Trump or far-right views, according to the Los Angeles Times and SFGate.

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Anti-hate and anti-Trump protesters far outnumbered Trump supporters, according to reports.

A group of more than 100 black-garbed, hooded protesters with signs reading “no hate” attacked at least four people after avoiding security checks at the park, according to The Associated Press.

Among those assaulted was the organizer of a right-wing "Freedom Rally" that had been planned, then canceled, the previous day.

Joey Gibson, the leader of the pro-Trump Patriot Prayer group, was attacked with pepper spray and escaped behind police lines, according to reports.

Plans for Saturday’s rally prompted concerns that it could be a repeat of the violence in Charlottesville, Va., earlier this month, where protesters and counterprotesters clashed.

Multiple counterprotests were already scheduled to take place on Saturday in Berkeley. Demonstrators flooded the streets even though the rally had been canceled.

In Charlottesville, white supremacists demonstrated against the removal of a Confederate statue. During a day of violence, a driver with alleged white supremacist views hit a crowd of counterprotesters, killing one and injuring multiple people. The incident ignited a national debate over hate groups that are often labeled "alt-right."

Trump said "many sides" were to blame for the violence in Charlottesville.

“Freedom Rally” organizers strongly deny that they are affiliated with hate groups, specifically denying ties to neo-Nazis, the KKK, white supremacists or white nationalists.

Gibson on Saturday warned against “the Antifa," short for antifascist, who wear black and seek to disrupt peaceful protests, saying such protesters were why he canceled the Patriot Prayer rally.

“It would have been a huge riot,” he said at a press conference.