(Portland, OR)  --  A Portland police officer is expected to recover after being injured during an altercation with a suspect.  Authorities say officers responded early yesterday morning to a disturbance call in the area of Southeast 137th Avenue and Stark Street.  A suspect got into a scuffle with one of the officers and hit her in the head.  Police say Joshua O'Farrell was booked for assaulting a public officer, and faces charges of telephonic harassment and second-degree criminal trespass relative to the disturbance call.