The arrest came after two Democratic lawmakers and their spouses were shot in Minnesota early Saturday, the same day anti-Trump "No Kings' protests were held nationwide.

"I think we will see the largest peaceful single day protests that this country has seen certainly since the first Trump term," said Indivisible cofounder Ezra Levin, one of the organizers of the "No Kings" protest effort.

Despite peaceful demonstrations reported in multiple cities, violence flared at some anti-Trump protests over the weekend.

As celebrations for the U.S. Army's 250th anniversary take place in the nation's capital, marchers angry at the president take to nearby streets. (David Dee Delgado for Fox News Digital)