KNOXVILLE, Tenn. (WVLT) -- Authorities have arrested the man they think robbed a Knoxville credit union Wednesday morning.

Dennis W. Ross, 36, was captured around 2:00 p.m., less than five hours after he allegedly held up the City Employees Credit Union on Western Ave., the FBI announced Wednesday afternoon. The Knoxville resident is facing bank robbery charges.

The arrest follows a joint investigation by the FBI, Knoxville Police, and the Knox Co. Sheriff's Office.