COLUMBIA, S.C. — Demonstrators converged outside a South Carolina police station for a second day Thursday, protesting the arrest of two men by officers in Rock Hill who were recorded on a Facebook video wrestling and throwing punches with the two.

Eight people were arrested on the second day of protests, just hours after the police chief and a civil rights leader had asked for calm. Most of the arrests were for disorderly conduct or being a pedestrian in the roadway as protesters blocked several streets near the police station, officials said.

At one point a line of officers in riot gear stood outside protecting police headquarters as more protesters gathered across the street, according to video from a reporter from The Herald of Rock Hill.

About 100 people were at Wednesday’s protest just hours after the arrests of the two men. Some threw bottles and rocks at police officers in riot gear and set a small fire outside the building before leaving just after midnight. There were no arrests and no injuries Wednesday and police didn’t use any pepper spray or tear gas, Rock Hill Police Lt. Michael Chavis said.

The two men were taken into custody at a gas station Wednesday afternoon. A Facebook video showed several officers wrestling with both men and forcing them to the ground. One officer is seen throwing punches and a man’s face was bloodied.

Two officers have been placed on leave and the State Law Enforcement Division is investigating the arrest, Rock Hill Police Chief Chris Watts said at a news conference Thursday where he spoke with a local civil rights leader.

“The incident has been under review since yesterday when it occurred. However, conducting an accurate and through review takes time,” Watts said.

Police conducting a drug investigation Wednesday afternoon pulled over one of the men after he made an illegal turn and the man called his brother to say he was stopped, Chavis said.

The driver tried to run when officers removed his handcuffs so he could take off some jewelry and his brother bumped officers and refused to move back when ordered, Chavis said.

An officer punched one man several times in the thigh to get him to stop resisting and when that didn’t work punched him once in the nose and he stopped fighting, the police chief said.

A drug dog at the scene did not bite either man and officers did not use stun guns or other weapons, Chavis said.

The men were treated by paramedics and one of them was taken to the hospital before being taken to jail.

A lawyer for the brothers said one of them suffered a broken nose and is in a wheelchair and the force against both men was excessive.

“They forgot just because you thought someone broke the law that you get to punish them in the process and that’s now how things work here in America. You’re innocent until proven guilty,” attorney Justin Bamberg said at a news conference.

A Rock Hill civil right leader said she watched the Facebook video and the body camera footage from the officers and asked people to give investigators time to unravel the events that unfolded Wednesday in the gas station parking lot.

“There was some much scuffling and so much contortions off camera that were not seen,” said Norma Gray, president of the Rock Hill branch of the National Association for the Advancement of Colored People.

Gray said she has worked with Rock Hill’s police chief for seven years to improve its relationship with the Black community and he has been open and helpful.

The safety of the officers who weren’t part of the arrest matter too, Gray said, asking protesters to stay peaceful and calm.

“I am asking and appealing to the community of Rock Hill to give us time,” she said.

The police chief acknowledged at first glance the video of the arrest was ugly, but he said investigators are seeking the entire truth.

“It doesn’t look good,” Watts said. “But we have to look at the facts.”

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Follow Jeffrey Collins on Twitter at https://twitter.com/JSCollinsAP.