(Eugene, OR)  --  Police are searching for a man accused of inhaling nitrous oxide and swinging a sword near Terwilliger Hot Springs east of Eugene over the weekend.  Lane County Sheriff's deputies responded to the hot springs Saturday morning, but the suspect was gone.  No one was injured by the sword.  Deputies spotted 33-year-old Andrew Dimmick in a vehicle and he sped away on Forest Service roads before being stopped by downed trees.  Dimmick ran into the forest and despite a search with K-9s he couldn't be found.  Dimmick is six-foot four-inches tall, 175 pounds with brown hair and brown eyes.  Anyone with information on his location should contact the Lane County Sheriff's Office.