Denver police arrested 36 people during a protest downtown Saturday night, deploying smoke and pepper balls to disperse crowds, multiple news outlets reported. Why it matters: The use of crowd-control measures like smoke was an escalation from earlier Saturday,

More than a dozen rallies across the state were peace. Police used pepper balls and smoke on one group in Denver.

RTD closed Union Station and suspended public transit in the area because of safety concerns and in coordination with Denver police, a spokesperson said.

The "No Kings" protest set for Saturday is poised to be the largest local demonstration against President Trump. The question is: Are Mayor Mike Johnston and the Denver Police Department prepared? Why it matters: Any civil unrest will reveal what Denver has — or hasn't — learned from the mistakes some officers made during the George Floyd protests five years ago.

Large crowds peacefully gathered in front of the Colorado State Capitol in Denver Saturday to take part in one of several anti-Trump “No Kings” rallies in Colorado and across the country.

A breakdown of who was charged with what and why wasn't immediately available, but the protest and related marches shut down streets throughout the day and into Saturday night.

Denver is set to join a nationwide movement against President Donald Trump by protesting outside the Colorado State Capitol on Saturday, beginning with a “The Power to the People Activist Fair” at Lincoln Veterans Park before thousands expect to march downtown.

Denver police arrested 18 individuals during an "ICE Out!" immigration protest, with tensions over ICE policies sparking demonstrations and officials responding to potential conflict.

At least 1,500 "No Kings" protests nationwide started Saturday on the same day President Donald Trump scheduled a large-scale military parade in Washington, D.C. on Flag Day and his 79th birthday.

In a series of confrontations, "No Kings" protesters threw rocks and other objects at officers and tried to enter a major thoroughfare in Denver on Saturday night, prompting the police