Medford police are investigating four morning fires that appear to be arson. The fires included two on Holly Street involving an outbuilding and some bales of hay on the same property during the four and five o'clock hours, and a shed on Grape Street and a section of fence on Pennsylvania Drive. Police say the evidence shows the fires were intentionally set. The Medford Police Department is asking for any information you might have on the series of fires in the western section of town. Dectective Tony Young may be reached at (541) 774-2230.