Police in Portland Oregon have detained several people as an anti-Trump protest-turned violent with demonstrators breaking windows of businesses and starting a dumpster fire downtown. Police termed it a riot.
Police termed Thursday's night's protest a riot and told people who had not returned to the designated square where the protest took place that they would be under arrest.
About 4,000 protesters were in the streets with chants like "we reject the president-elect."
Police in Portland, Oregon say that because of criminal and dangerous behavior, a protest against President-elect Donald Trump is now considered a riot.
Police said in series of Twitter posts Thursday night they were dealing with increasing vandalism and aggressive behavior from protesters.
Heated arguments were breaking out at the scene and one video showed an altercation after a woman threw laundry detergent at protesters.
Police said multiple people with bats were reported in the crowd and urged people not wanting to be associated with protesters to leave the area.
The Portland protest was among many that occurred across the country.
In Colorado, anti-Trump protesters managed to shut down Interstate 25 near downtown Denver briefly Thursday night
A crowd of several hundred had been marching through downtown Denver earlier in the evening waving anti-Trump signs before taking to the freeway. Protesters managed to shut down Interstate 25 near downtown Denver briefly.
Denver police tweeted around 10 p.m. that demonstrators made their way onto the freeway and traffic was halted in the northbound and southbound lanes. Police say the interstate was reopened about half an hour later as the crowd moved back downtown.
It wasn't immediately clear how many protesters walked onto the highway. A crowd of several hundred had been marching through downtown Denver earlier in the evening waving anti-Trump signs. Officers in cruisers and on bicycles were monitoring the situation.
Earlier protests in Denver, Boulder and Colorado Springs on Wednesday and Thursday went off peacefully.
Demonstrators gathered for a second day outside Chicago's Trump Tower to protest the election of Donald Trump as the nation's 45th president.
One day after thousands marched around the city's business district blocking traffic and gathering at the 98-story hotel and condominium, about 50 people demonstrated at the building Thursday.
One protester, 24-year-old Jessica Orman, says the demonstrators aren't happy with the president-elect and "we're trying to let everyone know that."
The demonstrators were met with cheers from several people shopping and dining in the area, while at least one person driving by shouted they should "shut up and accept democracy."
Thousands have been gathering in cities across the nation to voice opposition to Trump's election. Trump was on Twitter on Thursday, calling the demonstrators "professional protesters, incited by the media."___
Protesters blocked Interstate 94 in Minneapolis after demonstrators marched from an anti-Donald Trump rally at the University of Minnesota.
Traffic was blocked in both directions on the heavily traveled highway Thursday night.
It was the second night of protests in the Twin Cities over Trump's election as president. Similar protests popped up in cities across the nation both Wednesday and Thursday nights.
The Star Tribune reports demonstrators entered I-94 after marching down Franklin Avenue. The protesters blocked both lanes and chanted "Shut it down."
Officers from the Minnesota State Patrol and the Minneapolis and St. Paul police departments rushed to the area with lights flashing. A line of protesters faced officers on the freeway.
Anti-Trump protesters also staged a demonstration in St. Paul on Wednesday night.