A riot was declared in Portland just after midnight Thursday morning after Mayor Ted Wheeler’s tense visit with protesters-- where he was booed, told to resign, given a list of demands and tear-gassed by federal agents.

His visit ended with his security detail engaging in a struggle with protesters late Wednesday night as they worked to get the mayor to safety, a report said.

Mayor Ted Wheeler was tear gassed in downtown Portland early Thursday morning, according to video and posts on Twitter from a New York Times journalist.

The video shows Wheeler, wearing goggles and a face mask amid a crowd of people, hold his nose and close his eyes in distress as a cloud of tear gas drifts by him.

"It stings. It's hard to breathe. I can tell you with 100% honesty I saw nothing that provoked this response," Wheeler said to the Times camera. "I'm not afraid but I am pissed off."

The mayor of Portland, Ore., was hit with tear gas Wednesday night after he joined a crowd of protesters who gathered outside a federal courthouse as tensions persisted in the city in response to the Trump administration's deployment of federal officers.

Video shared on social media showed Mayor Ted Wheeler (D) coughing and retrieving goggles as a haze of gas overwhelmed a crowd that was protesting behind a fence located in front of the Mark O. Hatfield Federal Courthouse.