Sen. Cory Booker (D-N.J.) says Americans protesting Donald TrumpDonald John TrumpCNN's Anderson Cooper: Trump's Bubba Wallace tweet was 'racist, just plain and simple' Beats by Dre announces deal with Bubba Wallace, defends him after Trump remarks Overnight Defense: DOD reportedly eyeing Confederate flag ban | House military spending bill blocks wall funding 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 ClintonHillicon Valley: QAnon scores wins, creating GOP problem | Supreme Court upholds regulation banning robocalls to cellphones | Foreign hackers take aim at homebound Americans | Uber acquires Postmates The Hill's Campaign Report: Trump's job approval erodes among groups that powered his 2016 victory Gallup: Trump's job approval rating erodes among key groups 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.