Some Zanesville area residents were left in the dark Wednesday night after a series of thunderstorm swept through the area. The storms did minor damage to the area, but a lot of area residents were left in the dark. American Electric Power officials say around 2000 customers were left without service at around 6:00 last night. A-E-P says by 11:00 last night only 300 customers were still in the dark. Most customers had their power restored by midnight.