Thousands of protesters had initially gathered peacefully in a show of solidarity with fellow demonstrators in Portland, Oregon.
Richard Paul Nicoletti was fired after he was filmed removing one protester’s goggles before spraying her in the face.
The agency reversed its previous claim, days after Park Police did the same.
If you're out on the streets protesting for George Floyd and racial justice, you need to be prepared.
Police say some "milkshakes" hurled in skirmishes included quick-drying cement.
Police arrested three people at the protests on the Chapel Hill campus Thursday night.
St. Louis cops "exercised their discretion in an arbitrary and retaliatory fashion to punish protesters for voicing criticism of police," the judge ruled.
"The culture of law enforcement needs to change.”
In Defense Of: Pepper Spray
Kamran Loghman, the creator of weapons-grade pepper spray, discusses how pepper spray should and should not be used.