The Milwaukee Police Department is investigating a shooting that occurred in the 2600 block of N. 4th Street at approximately 9:20 p.m. on June 21. The victim, a 20-year-old man, sustained a non-life-threatening injury and is being treated at an area hospital. The motive for the shooting is unknown. There are no suspect(s) in custody at this time. The investigation into this incident is ongoing.