The Tennessee Bureau of Investigation says a man shot by a police officer in East Tennessee was armed with a BB gun.

The TBI told media that the BB gun didn't carry marks to distinguish it from a more powerful gun.

Maryville Police officer Kevin Fuller responded to a domestic dispute call Tuesday. The TBI said 40-year-old Jason Halfacre approached Fuller with what appeared to be a pistol and continued to pursue Fuller after he went back to the street and that Fuller then fired, striking Halfacre.

Officials said Halfacre was shot in the abdomen. He was admitted to University of Tennessee Medical Center, where his condition is listed as confidential.

TBI spokesman Josh DeVine says the TBI is investigating the shooting at the request the Blount County district attorney.