KENOSHA, Wis. - A third night of street protests over the police shooting of a Black man erupted into gun violence late Tuesday and early Wednesday in Kenosha, Wisconsin, killing at least one person and wounding two, the county sheriff said.

Social media videos showed people screaming amid close-up images of gunshot wounds after a night of skirmishes, with police firing tear gas and rubber bullets, had appeared to ease.

Crowds chased a man running down the street with a rifle after they believed he had shot another man. One pursuer took a flying kick at him after he fell to the ground, and another tried to grab his weapon. He appeared to be shot at close range and fell to the ground.

Two others were wounded and received aid from bystanders, the videos showed.

Kenosha has been rocked by protests since Sunday, when police shot Jacob Blake in the back at close range as he walked away from two officers and opened his car door, according to a bystander video that went viral. Three of his young sons were in the car, witnesses said.

Blake, 29, was hit by four of the seven shots fired and left paralyzed and "fighting for his life," his family and lawyers said on Tuesday, hours before the latest round of civil unrest broke out in the lakefront town between Milwaukee and Chicago.

Anti-racism protesters also clashed with police in Portland, Oregon, and Louisville, Kentucky, on Tuesday night, part of a wave of national protests that have continued since the May 25 death of a Black man in Minneapolis, George Floyd, who was pinned to the street under the knee of a white police officer.

Police arrested more than 60 people in a protest march in Louisville, Kentucky, organized for Breonna Taylor, a Black woman killed in March by police officers who burst into her apartment.