No Kings protests fanned out across South Florida and the country Saturday as thousands of people demonstrated against President Donald Trump's policies on his 79th birthday and the day of a military parade in Washington.

Florida officials caution against violent behavior during upcoming anti-Trump "No Kings" protests, with Sheriff Ivey warning that attacks on deputies will be met with lethal force

Brevard County Sheriff Wayne Ivey warned that "peaceful protests are part of our democracy, but the key word in that is 'peaceful.'"

The law does not bar such a driver from being criminally prosecuted, though their defense could be bolstered by Florida’s “stand your ground” law.

Eloy Garcia, 64, was arrested on a charge of threatening communications or threats of a mass shooting, a second-degree felony.

Protests in response to the Trump administration's immigration raids are spreading across the country. In Florida, law enforcement officials are preparing for possible protests here over the weekend as many "No Kings" protests are being planned.

Helen Amburgey is an organizer with Pinellas chapter of the National Organization for Women, a group that’s helping to coordinate a local “No Kings” anti-Trump protest in St. Petersburg. She said the response to the Los Angeles protests has made her organization think more about safety plans and the guidance they give to protesters.

The 'No Kings' demonstrations this weekend—which were attended by as many as six million people—are some of the most prominent examples.