BUECHEL — Police say a man has been stabbed in the head during a fight outside a Buechel Walmart, and authorities are still searching for the suspect. Louisville Metro Police spokeswoman Alicia Smiley told the Courier Journal that a fight started between two men outside the store Sunday afternoon and led to the stabbing. It’s unclear what caused the fight. The suspect fled the scene, and authorities were still searching for him as of that night. West Buechel Police Chief Jim Sherrard said the man was conscious when police arrived at the scene. He lost consciousness on his way to the hospital, where he was in critical condition as of Sunday evening. Buechel police then reached out to Louisville police, whose homicide unit is now investigating the attack.