Missouri law allows anyone with a concealed carry permit to openly display a firearm anywhere in the state.
It was the second night in a row there were no shootings, injuries or property damaged in Ferguson.
Tuesday night’s crowd of around 100 demonstrators was mostly calm and peaceful.
I-70 shut down, federal courthouse blocked and frozen water bottles thrown at police, but no shootings on Monday.
St. Louis County Police Chief Jon Belmar held a news conference early Monday addressing an officer-involved shooting that left an 18-year-old critically injured after he allegedly fired shots at police.
Two officers were pepper sprayed by protesters and another was hit in the face with a rock.
St. Louis region’s crime victim advocacy center holds yearly vigil
“We had leads pouring in not only from the area here, but as far away as the East Coast departments trying to assist us,” chief Jon Belmar says.
St. Louis County police said Friday their investigation continues into Thursday’s shooting of two officers near a protest scene
One hit in face. One in shoulder. Shooter at large.