An officer with the Savanna (IL) Police Department was taken to the hospital after a man who was reportedly harboring a fugitive attacked officers attempting to arrest the wanted man.

According to police, officers were attempting to arrest 40-year-old Nathan Green when 21-year-old Michael Denson unleashed a dog and attacked them.

One officer reportedly shot the dog, leaving the animal with non-life-threatening injuries, NBC News reports.

Simultaneously, Denson reportedly charged officers, causing an undisclosed injury to one officer, who was subsequently transported to a nearby hospital for treatment.

Denson is being charged with concealing or aiding a fugitive, aggravated battery to a peace officer and resisting or obstructing a peace officer.

Green was arrested on the existing warrant.