(Corvallis, OR)  --  Corvallis police have a man in custody after he was accused of breaking into a house and stabbing several people, causing three of them serious injuries.  Authorities say the suspect poured gas on the Northwest 27th Street house early yesterday morning in the back yard and unsuccessfully tried to set it afire, then broke into the home and slashed four people with a knife.  Police say the suspect then ran from the house, but was found by officers near the Benton County Senior Center and apprehended.  The man's name hasn't been released.