by Kevin Cody Hermosa Beach Police, and Los Angeles County Fire Fighters, and Lifeguards responded to a stabbing on the upper level of the downtown Hermosa Beach parking lot on Saturday, at approximately 4 p.m. Fire and lifeguard paramedics subsequently treated a man who appeared to be in his 20s, for a stab wound in his abdomen. The victim was transported to Harbor UCLA Medical Center. A friend of the stabbing victim said the stabbing took place shortly after he,…