SHAWNEE COUNTY -Law enforcement authorities in Shawnee County are investigating an attack on a police officer and are looking for a suspect.

At 10a.m. on Saturday officers with Topeka police were called to report of a disturbance at a residence in the 2400 Block of SW Candletree Drive, according to a media release.

Moments after arrival, an officer was shoved down a flight of stairs and punched in the face. The suspect, Justin Welch, 23, Topeka, ran from the scene.

Just after 5:30 p.m. officers in the same location reported Welch ran from them again.

Anyone with information on Welch is asked to contact Topeka police or CrimeStoppers.