(Sherwood, OR)  --  An investigation is ongoing into the death of an injured horse in the Sherwood area.  The Washington County Sheriff's Office says the horse was found "badly injured" on Saturday when it wandered onto a property near Southwest Tualatin-Sherwood Road and Oregon street.  The horse died from its injuries before help could arrive.  Police say they've been in contact with the owner of the horse and are continuing to investigate the horse's injuries.