Police in Pine Bluff are investigating the shooting death of a 51-year-old man. Officers were called last night after gunshots rang out. Police found a vehicle in a ditch, and its driver had suffered a gunshot wound. The victim was identified as Alvin T- Pitts of Pine Bluff. Police said they were interviewing a person seen leaving the scene. Officials ask that anyone with information about the shooting call police. Authorities say the killing was the first this year in Pine Bluff.