UPDATE: The City of Knoxville has added $5,500 to the reward fund for information on the person who attacked Officer B.K. Hardin with a hammer or tire iron as he was directing traffic.

The city joins The Fraternal Order of Police Lodge 2, FBI Knoxville and the Tennessee Bureau of Investigation by contributing to a reward for information leading to an arrest and conviction of the attacker.

The total reward now stands at $15,500.

The officer who was brutally attacked on Saturday while directing UT game day traffic has been released from the hospital as investigators hope a reward will help them find the person responsible.

The FBI has offered a $5,000 reward for information leading to the arrest and conviction of the person responsible. The TBI has offered $2,500. Then the Fraternal Order of Police, Lodge 2, has contributed $2,000.

An unknown suspect ran up behind Officer B.K. Hardin and hit him in the back of a head with a hammer or similar object, then took off on foot. The attack happened at the intersection of 17th Street and Clinch Avenue.

Read more from WBIR's website.


PREVIOUS STORY: The Knoxville Police Department is looking for witnesses who saw an attack on an officer with a hammer or blunt object Saturday night.

According to KPD, the officer was directing traffic near the intersection of 17th Street and Clinch Avenue when a male suspect ran up from behind the officer and struck him in the back of the head with a hammer or some kind of blunt object between 7:15 and 7:40 p.m.

One driver stuck in traffic gave as much information as she could on the suspect, police said. Officials interviewed and released a person of interest.

An off-duty out-of-county firefighter who had a medical bag in his car also began to render medical assistance to the officer.

The officer had to undergo immediate surgery at UT Medical Center after suffering a serious head injury, KPD said. Surgery went well, and the officer is recovering.

The officer is 51 years old and has been with KPD for seven years.

Read more from WBIR's website.