Sen. Cory Booker (D-N.J.) says Americans protesting Donald TrumpDonald TrumpStowaway found in landing gear of plane after flight from Guatemala to Miami Kushner looking to Middle East for investors in new firm: report GOP eyes booting Democrats from seats if House flips MORE’s White House win deserve respect, so long as they remain peaceful.

“God bless the protesters,” he told host Chuck Todd on NBC’s “Meet the Press” Sunday.

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Booker said demonstrators should abide by the law, however.

“I caution anyone who in their protests becomes they very thing they’re protesting against,” he said. "I mean turning to hateful speech."

“We need to raise our voices but avoid hateful speech,” added Booker, who backed Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonRepublicans seem set to win the midterms — unless they defeat themselves Poll: Democracy is under attack, and more violence may be the future Popping the progressive bubble MORE.

“We need to not lose our honor. We need to not lose our class in the way we go about being the noble opposition.” 

Protests have since erupted against Trump, the president-elect, in multiple cities across the country, ranging from Boston to Oakland.

Many participants have rejected Trump’s victory, chanting “not my president” and other similar slogans.