(Portland, OR)  --  Police are searching for a suspect accused of stabbing a 68-year-old man in the chest in the Gresham area.  Police say the victim confronted a group of men causing a disturbance on Northeast 23rd near Liberty Avenue last night when one of the men stabbed him.  The suspect is described as being in his late teens or early 20s.  The victim is hospitalized in stable condition.