Portland police have used confidential informants embedded within the protest crowd at the Immigration and Customs Enforcement facility in South Portland to help build several criminal cases, court records reveal.

The horseback rider showed up mid-afternoon Sunday. This equine protest comes one day after about 40,000 people marched in downtown Portland as part of the nationwide "No Kings" rally.

While Saturday's 'No Kings' march was largely peaceful, three people were arrested after a protest turned heated at the ICE facility in South Portland that night, police said.

Court documents from individuals arrested by police outside the ICE facility in Portland reveal the agency has been using undercover informants.

A menagerie of costumed demonstrators and dance parties have drawn national attention to Portland amid protests over federal troops.

A flock of demonstrators – same in quirky outfits, others fully nude – grabbed their bicycles and pedaled to Portland’s Immigration and Customs Enforcement (ICE) building last Sunday. House Speaker Mike Johnson (R-La.

A viral Portland Frog inspired this organization to raise money and give protesters inflatable costumes free of charge.

Following a peaceful "No Kings" rally and march through Portland, protests at the ICE facility continued as part of the nightly gatherings at the building.