Milwaukee Police are investigating a shooting that occurred around 11 PM Wednesday near N 65th street and W Silver Spring Drive.   During an argument, a 23-year-old male from Milwaukee was shot by a known subject. The wounded man fled to a nearby gas station where he called for help and was transported to a local hospital for treatment of non-life threatening injuries.  The suspect, a 32-year-old Milwaukee man was stopped by officers as he was attempting to flee the scene.  A firearm believed to have been used in this offense as well as a second firearm were recovered.   The Police are continuing to investigate the incident.