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Photo provided by Bradley County Sheriff's Office / Colton Levi Swearengin

A Polk County, Tennessee, man is in custody on an attempted second-degree murder charge after allegedly shooting a Bradley County man Tuesday evening.

The Bradley County Sheriff's Office was called to a home in the 300 block of Carson Road just before 5:30 p.m. There, they found a 43-year-old man with a gunshot wound to the chest, Bradley County court records show.

The victim's partner was applying pressure to the wound when deputies arrived, court records state. She and the victim both told law enforcement that Colton Levi Swearengin, 32, was the shooter. Swearengin had left the scene in a black Ford Mustang by the time investigators got there.

The victim was flown to a local hospital for emergency treatment.

The woman told one of the deputies that Swearengin had "pulled up hollering and revving his motor," according to court records. But he left before the couple went outside to see what was going on.

Swearengin then returned a short time later, and at that time is when the victim "went outside hollering."

That's when the woman heard a gunshot and the victim yelling to call 911. Swearengin left at that point.

Deputies located him on Silvers Road SE, a short distance from where the shooting took place.

He was arrested and taken to the Bradley County Jail, where he faces an attempted second-degree murder charge.

The victim told investigators that he did not know why Swearengin shot him.

Authorities have not released the victim's condition.

Contact Rosana Hughes at 423-757-6327, or follow her on Twitter @HughesRosana.