An adult dressed in an Elmo costume was caught on camera trolling protesters outside a U.S. Immigration and Customs Enforcement (ICE) facility in Portland, Oregon, over the weekend, clashing with demonstrators.

Katie Daviscourt of The Post Millennial filmed the confrontation at the ICE South Waterfront facility on Saturday.

In the video, the unidentified person in the costume is seen posing on the ground in front of the entrance to the ICE facility, crawling around outside and then dancing in front of the anti-ICE demonstrators who attempted to confront the person. 

The incident reportedly left anti-ICE demonstrators confused and frustrated, according to newsgathering website Storyful. 

The incident happened at the controversial ICE detention facility at South Waterfront facility along South Moody Avenue in Portland, Oregon. (Katie Daviscourt/The Post Millennial)

The permit allows detention and administrative use under specific limitations, but lawmakers have raised concerns that ICE has been holding detainees there for longer than the required 12-hour limit.

Residents and lawmakers raised other concerns, saying that the facility undermines the city’s sanctuary city policy, while residents testified about targeted arrests, gas attacks and intimidation.

“Our values of sanctuary and humanity are under siege,” local resident Michelle Dar said. She also said that federal agents’ armed actions threatened everyone’s safety, not just that of immigrants.

The person in the adult-sized Elmo costume can be seen dancing next to anti-ICE demonstrators in Portland, Oregon, on Saturday. (Katie Daviscourt/The Post Millennial)

Other residents complained that loud bangs and flashbangs were disrupting life for residents of subsidized housing and students of a local school. A handful of people also blamed Antifa for the ugly scenes outside the facility.

Chaotic scenes have been unfolding outside the facility since June, including in one incident when a large group of anti-ICE protesters tried to block law enforcement vehicles from entering and exiting the facility, forcing agents to deploy rubber bullets, tear gas and flash bangs to disperse the crowd.

Fox News’ Michael Dorgan, Alexandra Koch and Bill Melugin contributed to this report.