(NEW LONDON)—Ralls County authorities are looking for a man wanted on a felony warrant after deputies say he fled and hit a patrol car after they attempted to serve a warrant.  The deputy in the car was taken to Hannibal Regional Hospital. Authorities are looking for 29-year-old Jeremiah Preston. The search was focused along Route F and authorities say Preston may be injured. Authorities caution against approaching Preston if you see him. Dial 9-1-1. The Highway Patrol assisted in the search..