DULUTH, MN (KDAL) - Duluth Police have arrested a 45 year old man on burglary and assault charges after being called to the 500 block of Commonwealth Avenue Wednesday morning.  Police say the man entered his ex-girlfriend's apartment while she was at work, threw a woman who was watching the apartment against the wall and took some electronic equipment.  The suspect was located a short distance away by police and was taken into custody after a short struggle with the officers.  The investigation into the incident is continuing.