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

Thousands of people marched through downtown Denver on Saturday to protest actions by the Trump administration, notably his campaign to deport foreign nationals illegally staying in the U.S.

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

Protesters are gathering nationwide, including Colorado, as President Trump attends a parade commemorating the Army's 250th anniversary on his 79th birthday.

Thousands of people marched through downtown Denver on Saturday to protest actions by the Trump administration, notably his campaign to deport foreign nationals illegally staying in the U.S.

The Denver Police Department advised of road closures near the state capitol due to Saturday’s “No Kings” protest.

Around 2,000 protests were planned on Saturday in opposition to President Donald Trump. Large crowds turned out in cities like Portland, Denver, Chicago, Houston and Los Angeles – and in smaller communities in traditionally conservative areas.

Denver police now say officers arrested 18 people during protests near downtown on Tuesday over immigration enforcement.

Denver police arrested 17 protesters on suspicion of graffiti, interference with law enforcement, obstructing streets, throwing objects and assault, according to the police department.

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.