(Portland, OR) -- Police are searching for a suspect accused of stabbing two men on a beach in Seaside. Police responded to the area of Avenue K and the Promenade Saturday morning on reports of a stabbing. Responding officers found one man with serious stab wounds. The second victim turned up later at a local hospital. It's not yet clear what led to the stabbing, but police don't believe it was a random act. An investigation is ongoing.