(Portland, OR) -- An investigation is ongoing into a stabbing at a convenience store in Vancouver. Police responded to the AM/PM on Northeast Andresen Road early yesterday on reports of a fight. Police say officers arrived to find several people still fighting. One man was taken to a hospital with life-threatening stab wounds. Police say a K-9 unit tracked down the stabbing suspect 24-year-old Charson Lotius in some bushes nearby. He was arrested on charges of first-degree attempted murder and second-degree assault.